702 healthcare data breaches in 2021
Every breach of health information in 2021, biggest first. Most were reported to HHS, which publishes every breach affecting 500 or more people. A notice with no breach date is listed under the year it was reported.
| Breach | Date | Affected | Source |
|---|---|---|---|
 Blue Shield of California | Apr 2021 | 4.7M WA residents | View breach |
| 20/20 Eye Care Network | Jan 2021 | 4.1M WA residents | 3 sources ▾ |
| Florida Healthy Kids | Jan 2021 | 3.5M WA residents | HHS |
| Lincare | Sept 2021 | 2.9M WA residents | 2 sources ▾ |
| NEC Networks | Feb 2021 | 2.6M WA residents | 3 sources ▾ |
| Smile Brands | Apr 2021 | 2.6M WA residents | 3 sources ▾ |
| Forefront Dermatology, S.C | Jul 2021 | 2.4M WA residents | HHS |
| Eskenazi Health | Oct 2021 | 1.5M WA residents | HHS |
| St. Joseph's/Candler Health System | Aug 2021 | 1.4M WA residents | HHS |
| North Broward Hospital District | Oct 2021 | 1.4M WA residents | 3 sources ▾ |
| University Medical Center of Southern Nevada | Jun 2021 | 1.3M WA residents | 3 sources ▾ |
| Scripps Health | Apr 2021 | 1.3M WA residents | 2 sources ▾ |
| UNM Health | Aug 2021 | 1.2M WA residents | HHS |
| JDC Healthcare Management | Oct 2021 | 1.1M WA residents | HHS |
| Luminis Health Anne Arundel Medical Center | Nov 2021 | 824.5K WA residents | HHS |
| Personal Touch | Mar 2021 | 753.1K WA residents | HHS |
| Oregon Anesthesiology | Dec 2021 | 750.5K WA residents | HHS |
| UF Health Central Florida | Jul 2021 | 700.9K WA residents | HHS |
| Health Net Community Solutions | Jan 2021 | 688.6K WA residents | 2 sources ▾ |
| PracticeMax | Apr 2021 | 685.6K WA residents | 2 sources ▾ |
| DuPage Medical | Jul 2021 | 655.4K WA residents | 2 sources ▾ |
| Hendrick Health | Jan 2021 | 640.4K WA residents | HHS |
| Radiology Associates of Albuquerque, PA | Sept 2021 | 616.2K WA residents | HHS |
| Community Medical Centers | Oct 2021 | 604.6K WA residents | 2 sources ▾ |
| Trinity Health | Jan 2021 | 586.9K WA residents | 2 sources ▾ |
| Utah Imaging Associates | Aug 2021 | 582.2K WA residents | 3 sources ▾ |
| Health Net of California | Jan 2021 | 550.8K WA residents | 2 sources ▾ |
| Texas ENT Specialists | Dec 2021 | 535.5K WA residents | HHS |
| Wolfe Clinic | Dec 2021 | 530.3K WA residents | 2 sources ▾ |
| Christie Business | Jul 2021 | 502.9K WA residents | 2 sources ▾ |
| State of Alaska Department of Health & Social Services | Sept 2021 | 500K WA residents | HHS |
| Wolfe Clinic | Feb 2021 | 499.8K WA residents | 2 sources ▾ |
| Monongalia Health System | Dec 2021 | 492.9K WA residents | 2 sources ▾ |
| Sound Generations | Jul 2021 | 456.2K WA residents | 2 sources ▾ |
| Orlando Family Physicians | Jul 2021 | 447.4K WA residents | HHS |
| QRS | Oct 2021 | 430.3K WA residents | HHS |
| Bricker & Eckler | Jan 2021 | 420.5K WA residents | 2 sources ▾ |
| USV Optical | Sept 2021 | 412.6K WA residents | HHS |
| Planned Parenthood Los Angeles | Oct 2021 | 409.8K WA residents | 2 sources ▾ |
| Monongalia Health System | Dec 2021 | 398.2K WA residents | HHS |
| Quantum Imaging and Therapeutics Associates | Nov 2021 | 394.5K WA residents | HHS |
| BioPlus Specialty Pharmacy Services | Oct 2021 | 348.9K WA residents | 3 sources ▾ |
| Orthopedic Associates of Dutchess County | May 2021 | 330.1K WA residents | HHS |
| Denton County, Texas | Aug 2021 | 326.4K WA residents | HHS |
| San Juan Regional Medical Center | Jun 2021 | 325.7K WA residents | HHS |
| Super Care | Jul 2021 | 317.9K WA residents | 2 sources ▾ |
| Talbert House | Sept 2021 | 304K WA residents | HHS |
| Warner Norcross and Judd | Jun 2021 | 255.2K WA residents | 2 sources ▾ |
| ReproSource Fertility Diagnostics | Aug 2021 | 253.8K WA residents | 3 sources ▾ |
| Clinic of North Texas | Oct 2021 | 244.2K WA residents | 2 sources ▾ |
| California Department of Corrections and Rehabilitation | Dec 2021 | 236K WA residents | 2 sources ▾ |
| Total Health Care | Apr 2021 | 221.5K WA residents | HHS |
| Marietta Area Health Care | Nov 2021 | 216.5K WA residents | HHS |
| MultiPlan | Jun 2021 | 215K WA residents | HHS |
| Logan Health Medical Center | Nov 2021 | 213.5K WA residents | 3 sources ▾ |
| Florida Digestive Health Specialists | Dec 2021 | 212.5K WA residents | HHS |
| UMass Memorial Health Care | Oct 2021 | 209K WA residents | HHS |
| Rehoboth McKinley Christian Health Care Services | Jan 2021 | 207.2K WA residents | 3 sources ▾ |
| Northwestern Memorial HealthCare | Jun 2021 | 201.2K WA residents | HHS |
| Trusted Health Plans | Mar 2021 | 200.7K WA residents | HHS |
| Welfare & Pension Administration Service | Sept 2021 | 194.7K WA residents | HHS |
| Neuro Rehab Associates | Nov 2021 | 190.2K WA residents | HHS |
| Roper St. Francis Healthcare | Jan 2021 | 189.8K WA residents | HHS |
| Chelan Douglas Health District | Jul 2021 | 188.2K WA residents | 2 sources ▾ |
| Daniel J. Edelman | Dec 2021 | 184.5K WA residents | HHS |
| Spectrum Eye Physicians | Oct 2021 | 175K WA residents | 2 sources ▾ |
| Metro Infectious Disease Consultants | Aug 2021 | 171.7K WA residents | HHS |
| Wyoming Department of Health | Apr 2021 | 164K WA residents | HHS |
| Gastroenterology Consultants, PA | Mar 2021 | 161.7K WA residents | HHS |
| Apple Valley Clinic | Mar 2021 | 157.9K WA residents | HHS |
| Five Rivers Health Centers | May 2021 | 155.7K WA residents | HHS |
| San Diego Family Care | Dec 2021 | 154.5K WA residents | 2 sources ▾ |
| HME Specialists | Apr 2021 | 153K WA residents | HHS |
| Simon Eye Management | Sept 2021 | 144.8K WA residents | HHS |
| Michigan Avenue Immediate Care | Nov 2021 | 144.1K WA residents | 2 sources ▾ |
| Health Aid of Ohio | Apr 2021 | 141.1K WA residents | HHS |
| Orthopedic Associates of Hawaii | Apr 2021 | 138K WA residents | HHS |
| The Urology Center of Colorado | Sept 2021 | 137.8K WA residents | 2 sources ▾ |
| Saint Alphonsus Health System | Jan 2021 | 134.9K WA residents | 2 sources ▾ |
| Medical Review Institute of America | Nov 2021 | 134.6K WA residents | 3 sources ▾ |
| Medsurant | Nov 2021 | 129.1K WA residents | HHS |
| North Oklahoma County Mental Health Center | Jul 2021 | 128.6K WA residents | HHS |
| The Centers for Advanced Orthopaedics | Mar 2021 | 125.3K WA residents | HHS |
| TriValley Primary Care | Nov 2021 | 122.8K WA residents | HHS |
| HealthReach Community Health Centers | Jul 2021 | 122.3K WA residents | HHS |
| NHS Management | Oct 2021 | 120.7K WA residents | HHS |
| United Health Centers of the San Joaquin Valley | Nov 2021 | 112K WA residents | HHS |
| Southern Orthopaedic Associates | Dec 2021 | 106.9K WA residents | HHS |
| Ravkoo | Sept 2021 | 105K WA residents | 3 sources ▾ |
| Cancer Treatment Centers of America at Midwestern Regional Medical Center | Jan 2021 | 104.8K WA residents | 2 sources ▾ |
| BW Homecare | Feb 2021 | 100.5K WA residents | HHS |
| CareATC | Jun 2021 | 98.8K WA residents | 2 sources ▾ |
| Mowery Clinic | Nov 2021 | 96K WA residents | HHS |
| Guidehouse | Jan 2021 | 91.3K WA residents | 2 sources ▾ |
| Trillium Community Health Plan | Mar 2021 | 87.8K WA residents | HHS |
| Sight Partners Physicians | Dec 2021 | 86.1K WA residents | 2 sources ▾ |
| University of Miami | Mar 2021 | 86K WA residents | HHS |
| SalusCare | Mar 2021 | 85K WA residents | HHS |
| Benefis Hospitals | Jul 2021 | 81K WA residents | HHS |
| Howard University College of Dentistry | Nov 2021 | 80.9K WA residents | HHS |
| California Health & Wellness | Jan 2021 | 80.2K WA residents | 2 sources ▾ |
| Hoboken Radiology | May 2021 | 80K WA residents | HHS |
| Fertility Centers of Illinois | Dec 2021 | 79.9K WA residents | HHS |
| Gore Medical Management | Feb 2021 | 79.1K WA residents | HHS |
| Leon Medical Centers | Jan 2021 | 76.7K WA residents | HHS |
| CareSouth Carolina | May 2021 | 76K WA residents | HHS |
| Ophthalmology Associates | Nov 2021 | 76K WA residents | HHS |
| IEC | Jul 2021 | 74.9K WA residents | 2 sources ▾ |
| Allergy Partners | Jan 2021 | 74.1K WA residents | 2 sources ▾ |
| Nationwide Optometry | Apr 2021 | 73.1K WA residents | 2 sources ▾ |
| Sentara Healthcare | Nov 2021 | 72.1K WA residents | HHS |
| Bansley and Kiener | Dec 2021 | 70.9K WA residents | HHS |
| Arizona Asthma and Allergy Institute | May 2021 | 70.4K WA residents | HHS |
| Advocate Aurora Health | Jul 2021 | 68.7K WA residents | HHS |
| LifeBridge Community Gastroenterology | Apr 2021 | 66.3K WA residents | HHS |
| Atlanta Allergy & Asthma | Apr 2021 | 66.3K WA residents | HHS |
| Coastal Family Health Center | Jul 2021 | 65.9K WA residents | HHS |
| Mobile Anesthesiologists | Mar 2021 | 65.4K WA residents | HHS |
| Renown Health | Jun 2021 | 65.2K WA residents | HHS |
| Minnesota Community Care | Jun 2021 | 64.9K WA residents | HHS |
| RF EYE | Feb 2021 | 64.7K WA residents | HHS |
| McLaren Health Care | Jul 2021 | 64.6K WA residents | HHS |
| True Health New Mexico | Nov 2021 | 63K WA residents | HHS |
| New England Dermatology and Laser Center | May 2021 | 58.1K WA residents | HHS |
| Sturdy Memorial Hospital | May 2021 | 57.4K WA residents | HHS |
| Assistcare Home Health Services | Mar 2021 | 57.3K WA residents | HHS |
| San Andreas Regional Center | Jul 2021 | 57.2K WA residents | 2 sources ▾ |
| OSF HealthCare System | Oct 2021 | 53.9K WA residents | HHS |
| Northwest Broward Orthopaedics Associates | Dec 2021 | 53.9K WA residents | HHS |
| PeakTPA | Mar 2021 | 50.5K WA residents | HHS |
| Francisco J. Pabalan MD | Jun 2021 | 50K WA residents | HHS |
| Nevada Orthopedic & Spine Center | Feb 2021 | 50K WA residents | HHS |
| WellDyneRX | Oct 2021 | 50K WA residents | 3 sources ▾ |
| Fisher Titus Health | Feb 2021 | 49.6K WA residents | HHS |
| Broward County Public Schools | Nov 2021 | 49.6K WA residents | HHS |
| Navistar | May 2021 | 49K WA residents | 2 sources ▾ |
| CarePointe ENT | Aug 2021 | 48.7K WA residents | HHS |
| Lavaca Medical Center | Oct 2021 | 48.7K WA residents | HHS |
| Consociate Health | Nov 2021 | 48.6K WA residents | HHS |
| South Florida Community Care Network | Aug 2021 | 48.3K WA residents | HHS |
| Doctors Health | Nov 2021 | 47.7K WA residents | HHS |
| Electromed | Aug 2021 | 47.2K WA residents | HHS |
| Covenant HealthCare | Feb 2021 | 47.2K WA residents | HHS |
| Professional Dental Alliance | Oct 2021 | 47.2K WA residents | HHS |
| LogicGate | May 2021 | 47K WA residents | HHS |
| Florida Heart Associates | Jul 2021 | 45.1K WA residents | HHS |
| Baywood Medical Associates | Nov 2021 | 44.9K WA residents | HHS |
| NYC Health + Hospitals | Jun 2021 | 43.7K WA residents | HHS |
| Ciox Health | Dec 2021 | 43K WA residents | HHS |
| Oregon Eye Specialists | Dec 2021 | 42.6K WA residents | HHS |
| UofL Health | Jun 2021 | 42.5K WA residents | HHS |
| The Board of Trustees of Southern Illinois University, for and | Mar 2021 | 40.3K WA residents | HHS |
| Peoples Community Health Clinic | Jun 2021 | 40.1K WA residents | HHS |
| Sarasota MRI | Nov 2021 | 40K WA residents | HHS |
| One Community Health | Apr 2021 | 39.9K WA residents | 3 sources ▾ |
| Sandhills Medical Foundation | Mar 2021 | 39.6K WA residents | HHS |
| MedQuest Pharmacy | Dec 2021 | 39.4K WA residents | HHS |
| Hand to Shoulder Specialists of Wisconsin | Apr 2021 | 39.3K WA residents | HHS |
| Georgia Bone & Joint Surgeons | Dec 2021 | 39.3K WA residents | HHS |
| ProPath Services | Mar 2021 | 39.2K WA residents | HHS |
| BioTelemetry | Mar 2021 | 38.6K WA residents | HHS |
| Metro Presort | Mar 2021 | 38.4K WA residents | HHS |
| Reproductive Biology Associates | Jun 2021 | 38K WA residents | HHS |
| Premier Management | Sept 2021 | 37.6K WA residents | HHS |
| Grand River Medical | Feb 2021 | 37.4K WA residents | HHS |
| Crystal Lake Clinic | Apr 2021 | 37.3K WA residents | HHS |
| University of Maryland, Baltimore | Jul 2021 | 37.3K WA residents | HHS |
| Advent Health Partners | Jul 2021 | 37.2K WA residents | 2 sources ▾ |
| Good Health Medical | May 2021 | 36.8K WA residents | HHS |
| Central Texas Medical Specialists | Sept 2021 | 36.5K WA residents | HHS |
| The University of Pittsburgh Medical Center | Feb 2021 | 36.1K WA residents | HHS |
| A2Z Diagnostics | Feb 2021 | 35.6K WA residents | 2 sources ▾ |
| Healthgrades Operating | Mar 2021 | 35.5K WA residents | HHS |
| Queen Creek Medical Center | Aug 2021 | 35K WA residents | HHS |
| Arizona Complete Health | Mar 2021 | 35K WA residents | HHS |
| The New London Hospital Association | Mar 2021 | 34.9K WA residents | HHS |
| Lafourche Medical | May 2021 | 34.9K WA residents | HHS |
| Internal Medicine Associates of Jasper | May 2021 | 34.2K WA residents | HHS |
| Thomas Eye | Aug 2021 | 34K WA residents | HHS |
| AllyAlign Health | Feb 2021 | 33.9K WA residents | HHS |
| Nationwide Laboratory Services | Oct 2021 | 33.4K WA residents | HHS |
| Florida Blue | Jul 2021 | 32.7K WA residents | HHS |
| ElderServe Health | Apr 2021 | 31.2K WA residents | HHS |
| La Clinica de La Raza | Jan 2021 | 31.1K WA residents | 2 sources ▾ |
| Health Net Life Insurance | Jan 2021 | 30.8K WA residents | 2 sources ▾ |
| Victory Health Partners | Nov 2021 | 30K WA residents | HHS |
| Orlick & Kasper, MDs, PA | Sept 2021 | 30K WA residents | HHS |
| Middletown Ventures Associates | Apr 2021 | 29.9K WA residents | HHS |
| Commission on Economic Opportunity | Nov 2021 | 29.5K WA residents | HHS |
| McAllen Surgical Specialty Center | Sept 2021 | 29.2K WA residents | HHS |
| St. John’s Well Child and Family Center | Feb 2021 | 29K WA residents | 2 sources ▾ |
| Mendelson Kornblum Orthopedics, Spine & Pain Specialists | Mar 2021 | 28.7K WA residents | HHS |
| Intermountain Healthcare | Jul 2021 | 28.6K WA residents | HHS |
| SAC Health Systems | May 2021 | 28.1K WA residents | HHS |
| New York Psychotherapy and Counseling Center | Nov 2021 | 28K WA residents | HHS |
| Asarco Health, Dental, Vision, Flexible Spending, Non-Union Employee Benefits, and Retiree Medical Plans | Sept 2021 | 28K WA residents | HHS |
| Horizon House | Sept 2021 | 27.8K WA residents | HHS |
| Seneca Family of Agencies | Aug 2021 | 27.3K WA residents | 3 sources ▾ |
| Colorado Retina Associates | Mar 2021 | 26.6K WA residents | HHS |
| Gregory P. Vannucci DDS | Aug 2021 | 26.1K WA residents | HHS |
| Professional Dental Alliance of Michigan | Oct 2021 | 26.1K WA residents | HHS |
| Harris County | Jul 2021 | 26K WA residents | HHS |
| Bako Diagnostics | Dec 2021 | 25.7K WA residents | 2 sources ▾ |
| Texas Spine Consultants | Feb 2021 | 25.7K WA residents | HHS |
| Weill Cornell Medicine | Nov 2021 | 25.7K WA residents | HHS |
| The Wedge Medical Center | Aug 2021 | 25.5K WA residents | HHS |
| Open Upright MRI | Apr 2021 | 25.3K WA residents | HHS |
| All Access Ortho | Apr 2021 | 25K WA residents | HHS |
| Syracuse ASC | Oct 2021 | 24.9K WA residents | HHS |
| Texoma Community Center | Aug 2021 | 24K WA residents | HHS |
| Professional Dental Alliance of Georgia | Oct 2021 | 24K WA residents | HHS |
| Rehabilitation Support Services | Sept 2021 | 23.9K WA residents | HHS |
| Squirrel Hill Health Center | Apr 2021 | 23.9K WA residents | HHS |
| Eastern Shore Rural Health System | Apr 2021 | 23.3K WA residents | HHS |
| King County Public Hospital District No. 2 | Jul 2021 | 22.6K WA residents | HHS |
| Family Medical Center of Michigan | Aug 2021 | 22K WA residents | HHS |
| Haven Behavioral Healthcare | Mar 2021 | 21.7K WA residents | HHS |
| Boulder Neurosurgical and Spine Associates | Nov 2021 | 21.5K WA residents | HHS |
| Abeo Solutions | Sept 2021 | 21.1K WA residents | 2 sources ▾ |
| Samaritan Center of Puget Sound | Sept 2021 | 20.9K WA residents | HHS |
| Precision Spine Care | Jan 2021 | 20.8K WA residents | HHS |
| Welfare, Pension and Annuity Funds of Local No. ONE, I.A.T.S.E | Dec 2021 | 20.6K WA residents | HHS |
| King County Public Hospital District No. 2 | Dec 2021 | 20.5K WA residents | 2 sources ▾ |
 Yale New Haven Hospital | Dec 2021 | 19.5K WA residents | View breach |
| Directions for Living | Sept 2021 | 19.5K WA residents | HHS |
| Buddhist Tzu Chi Medical Foundation | Jul 2021 | 19K WA residents | 2 sources ▾ |
| Memorial Sloan Kettering Cancer Center | Mar 2021 | 18.9K WA residents | HHS |
| University of Pittsburgh Medical Center Health Plan | Feb 2021 | 18.9K WA residents | HHS |
| Hawaii Independent Physicians Association | Jun 2021 | 18.8K WA residents | HHS |
| Professional Dental Alliance of Florida | Oct 2021 | 18.6K WA residents | HHS |
| University of Houston College of Optometry | Nov 2021 | 18.5K WA residents | HHS |
| Maestro Health | Apr 2021 | 18.5K WA residents | HHS |
| Bethesda Hospital | Jan 2021 | 18.5K WA residents | HHS |
| UW Medicine | Jun 2021 | 18.4K WA residents | HHS |
| OAA Orthopaedic Associates | Nov 2021 | 18.1K WA residents | HHS |
| Columbia River Mental Health Services | May 2021 | 17.8K WA residents | 2 sources ▾ |
| Cancer Care Center | Jun 2021 | 17.8K WA residents | HHS |
| Faxton St. Luke's Healthcare | Apr 2021 | 17.7K WA residents | HHS |
| Midwest Transplant Network | Apr 2021 | 17.6K WA residents | HHS |
| Health Prime International | Mar 2021 | 17.6K WA residents | HHS |
| Three Rivers Regional Commission | Nov 2021 | 17.6K WA residents | HHS |
| Valley Mountain Regional Center | Sept 2021 | 17.2K WA residents | 2 sources ▾ |
| Temple University Hospital | Jun 2021 | 17K WA residents | HHS |
| Loyola University Medical Center | Dec 2021 | 16.9K WA residents | HHS |
| Baptist Health Arkansas | Apr 2021 | 16.8K WA residents | HHS |
| Medical Practice Solutions | Oct 2021 | 16.7K WA residents | HHS |
| Professional Dental Alliance of Illinois | Oct 2021 | 16.7K WA residents | HHS |
| University Medical Center of New Orleans | Jan 2021 | 16.6K WA residents | HHS |
| Walgreen | Jan 2021 | 16.1K WA residents | HHS |
| Georgia Department of Human Services | Sept 2021 | 15.9K WA residents | HHS |
| Center for Human Development | May 2021 | 15.7K WA residents | HHS |
| Saltzer Health | Nov 2021 | 15.7K WA residents | HHS |
| Granite Wellness Centers | Feb 2021 | 15.6K WA residents | 2 sources ▾ |
| Samaritan Daytop Village | Oct 2021 | 15.5K WA residents | HHS |
| The Richards | Jan 2021 | 15.4K WA residents | HHS |
| CalViva Health | Jan 2021 | 15.3K WA residents | 2 sources ▾ |
| Easterseals Delaware & Maryland's Eastern Shore | Aug 2021 | 15.2K WA residents | HHS |
| K&B Surgical Center | Jul 2021 | 14.8K WA residents | HHS |
| Yale New Haven Health Services | Jul 2021 | 14.6K WA residents | HHS |
| Walmart | Mar 2021 | 14.5K WA residents | HHS |
| Monadnock Community Hospital | May 2021 | 14.3K WA residents | HHS |
| HOYA Optical Labs of America | Mar 2021 | 14.1K WA residents | 2 sources ▾ |
| Community Access Unlimited | May 2021 | 13.8K WA residents | HHS |
| Florida Hospital Physician | Jan 2021 | 13.8K WA residents | HHS |
| Jawonio | Jun 2021 | 13.3K WA residents | HHS |
| Major League Baseball Players Benefit Plan | Nov 2021 | 13.2K WA residents | 2 sources ▾ |
| Southwest Nebraska Public Health Department | Jul 2021 | 13K WA residents | HHS |
| Westwood Obstetrics and Gynecology | May 2021 | 12.9K WA residents | HHS |
| Huntington Hospital | Nov 2021 | 12.9K WA residents | HHS |
| Central Utah Clinic | Aug 2021 | 12.4K WA residents | HHS |
| Professional Healthcare Management | Oct 2021 | 12.3K WA residents | HHS |
| East Brunswick Open Upright MRI | Apr 2021 | 12.2K WA residents | HHS |
| Cornerstone Care | Feb 2021 | 12.1K WA residents | HHS |
| Apple Blossom Family Practice | Dec 2021 | 12.1K WA residents | HHS |
| Managed Health Services | Jan 2021 | 12K WA residents | HHS |
| Hermitage Eye Care | Nov 2021 | 11.7K WA residents | HHS |
| Vitreo-Retinal Medical | Jul 2021 | 11.6K WA residents | 2 sources ▾ |
| NCH | Jul 2021 | 11.4K WA residents | HHS |
| Professional Dental Alliance of Tennessee | Oct 2021 | 11.2K WA residents | HHS |
| University of Pittsburgh Medical Center, St. Margaret Hospital | Mar 2021 | 11.1K WA residents | HHS |
| Fairfax County Public Schools' Health Plan | Feb 2021 | 11.1K WA residents | HHS |
| Healthpointe Medical | Jun 2021 | 11K WA residents | 2 sources ▾ |
| Professional Dental Alliance of New York | Oct 2021 | 10.8K WA residents | HHS |
| Barlow Respiratory Hospital | Aug 2021 | 10.8K WA residents | 2 sources ▾ |
| Hospice of the Piedmont | Aug 2021 | 10.7K WA residents | HHS |
| Sisters of Charity Hospital | Jul 2021 | 10.5K WA residents | HHS |
| A New Leaf | Dec 2021 | 10.4K WA residents | HHS |
| Long Island Jewish Forest Hills Hospital | Aug 2021 | 10.3K WA residents | HHS |
| University Hospital | Oct 2021 | 10.1K WA residents | HHS |
| Belden | Apr 2021 | 9.8K WA residents | HHS |
| Missouri Delta Medical Center | Oct 2021 | 9.7K WA residents | HHS |
| Aspen Dental Management | May 2021 | 9.6K WA residents | HHS |
| WomenCare | May 2021 | 9.6K WA residents | HHS |
| Trinity Health System | May 2021 | 9.6K WA residents | HHS |
| Star Group, L.P. Health Benefits Plan | Oct 2021 | 9.3K WA residents | HHS |
| Cornerstone Municipal Advisory | Apr 2021 | 9.2K WA residents | HHS |
| Association to Benefit Children | Nov 2021 | 9.1K WA residents | HHS |
| Insulet | Jan 2021 | 9.1K WA residents | 2 sources ▾ |
| Bowling Green Inn of Pensacola | Feb 2021 | 9K WA residents | HHS |
| Epic Care | Jun 2021 | 9K WA residents | HHS |
| Jones Memorial Hospital | Jun 2021 | 9K WA residents | HHS |
| Wind River Family and Community Health Care | Dec 2021 | 8.9K WA residents | HHS |
| Mississippi Center for Advanced Medicine | Jun 2021 | 8.9K WA residents | HHS |
| Illinois Department of Healthcare and Family Services | Mar 2021 | 8.8K WA residents | HHS |
| The SurgiCare Center of Utah | Feb 2021 | 8.8K WA residents | HHS |
| County of Ramsey | Jan 2021 | 8.7K WA residents | HHS |
| Aetna ACE | May 2021 | 8.7K WA residents | HHS |
| Educators Mutual Insurance Association | Oct 2021 | 8.7K WA residents | HHS |
| Surecare Specialty Pharmacy | Oct 2021 | 8.4K WA residents | HHS |
| Family of Woodstock | Oct 2021 | 8.2K WA residents | HHS |
| Beech Acres Parenting Center | May 2021 | 8.2K WA residents | HHS |
| Pediatric Associates of Milwaukee | Apr 2021 | 8.2K WA residents | HHS |
| The University of North Carolina Hospitals | Jul 2021 | 8.1K WA residents | HHS |
| Carle Cancer Institute Normal | Jun 2021 | 8.1K WA residents | HHS |
| Eduro Healthcare | Dec 2021 | 8.1K WA residents | HHS |
| Cancer Centers of Southwest Oklahoma | Jun 2021 | 8K WA residents | HHS |
| Nevada Health Centers | Feb 2021 | 7.9K WA residents | HHS |
| Pennsylvania Adult & Teen Challenge | Feb 2021 | 7.8K WA residents | HHS |
| Surgery Group SC | Dec 2021 | 7.6K WA residents | HHS |
| The People Concern | Apr 2021 | 7.6K WA residents | 2 sources ▾ |
| Liberation Programs | Mar 2021 | 7.4K WA residents | HHS |
| Charles Cole Memorial Hospital | May 2021 | 7.4K WA residents | HHS |
| Professional Dental Alliance of Indiana | Oct 2021 | 7.4K WA residents | HHS |
| Aultman Health Foundation | Jun 2021 | 7.4K WA residents | HHS |
| Anthem Affiliated Covered Entities | Dec 2021 | 7.3K WA residents | HHS |
| DataLogic Software | Feb 2021 | 7.2K WA residents | HHS |
| Duneland School | Dec 2021 | 7K WA residents | HHS |
| Putnam County Memorial Hospital | Nov 2021 | 6.9K WA residents | HHS |
| Gifford Health Care | Apr 2021 | 6.8K WA residents | HHS |
| South Texas Health System | Jun 2021 | 6.8K WA residents | HHS |
| Montgomery Hospice | Jan 2021 | 6.7K WA residents | HHS |
| Texas MedClinic | Apr 2021 | 6.6K WA residents | HHS |
| Viverant PT | Oct 2021 | 6.5K WA residents | HHS |
| Mount St. Mary's Hospital | Jul 2021 | 6.5K WA residents | HHS |
| Charles E. Jones DDS | Jun 2021 | 6.5K WA residents | HHS |
| Virtual Private Network Solutions | Dec 2021 | 6.4K WA residents | HHS |
| Professional Dental Alliance of Connecticut | Oct 2021 | 6.2K WA residents | HHS |
| Fiondella, Milone & LaSaracina | Sept 2021 | 6.2K WA residents | 2 sources ▾ |
| Drs. Kelley & McDowell PA | Oct 2021 | 6.2K WA residents | HHS |
| Implant and Prosthodontic Associates | May 2021 | 6.1K WA residents | HHS |
 Anthem | Jan 2021 | 6.1K WA residents | View breach |
| Pottawatomie County Health Department | Oct 2021 | 6K WA residents | HHS |
| The House Next Door | Feb 2021 | 6K WA residents | HHS |
| Eastern Connecticut Pathology Consultants | Sept 2021 | 6K WA residents | HHS |
| Ascension St. Joseph Hospital | May 2021 | 5.8K WA residents | HHS |
| Harper County Community Hospital | May 2021 | 5.7K WA residents | HHS |
| McCoy Consulting Services | Aug 2021 | 5.7K WA residents | HHS |
| SummaCare | May 2021 | 5.5K WA residents | HHS |
| Golden Care Pharmacy | Jun 2021 | 5.5K WA residents | HHS |
| Vision for Hope | Aug 2021 | 5.5K WA residents | HHS |
| Providence Health Plan | Jun 2021 | 5.5K WA residents | HHS |
| Eastern Los Angeles Regional Center | Jul 2021 | 5.4K WA residents | 2 sources ▾ |
| Entrust Medical Billing | Apr 2021 | 5.4K WA residents | HHS |
| Onondaga County Chapter NYSARC | Nov 2021 | 5.4K WA residents | HHS |
| Granite Falls Family Medical Care Center | Dec 2021 | 5.4K WA residents | HHS |
| The Home for the Little Wanderers | Feb 2021 | 5.4K WA residents | HHS |
| Envision Home Health and Hospice | Nov 2021 | 5.4K WA residents | HHS |
| Weddell Pediatric Dental Specialists | Dec 2021 | 5.4K WA residents | HHS |
| Douglas C Morrow ODPC | Dec 2021 | 5.3K WA residents | HHS |
| Ankle and Foot Physicians and Surgeons | Apr 2021 | 5.2K WA residents | 2 sources ▾ |
| Upstate HomeCare | Nov 2021 | 5.1K WA residents | HHS |
| GYN Emergent Care Center | Sept 2021 | 5.1K WA residents | HHS |
| Rhode Island Public Transit Authority | Dec 2021 | 5K WA residents | HHS |
| California Department of State Hospitals | Mar 2021 | 5K WA residents | HHS |
| elizabeth ortof MD | Sept 2021 | 5K WA residents | HHS |
| Feeling Great Sleep Medical Centers | Jan 2021 | 5K WA residents | HHS |
| Southern Orthopaedic Surgeons | Apr 2021 | 5K WA residents | HHS |
| Fairfax Medical Facilities | Aug 2021 | 5K WA residents | HHS |
| Summit Surgical | Dec 2021 | 4.9K WA residents | HHS |
| Abode Services | Mar 2021 | 4.9K WA residents | 2 sources ▾ |
| Wisconsin Institute of Urology S.C | Aug 2021 | 4.8K WA residents | HHS |
| Orange County Health Authority | Oct 2021 | 4.7K WA residents | HHS |
| Renaissance Life & Health Insurance Company of America | Jul 2021 | 4.7K WA residents | HHS |
| St. Charles Health System | Jun 2021 | 4.7K WA residents | HHS |
| Alluma | Aug 2021 | 4.6K WA residents | HHS |
| Osborn Cancer Care | Feb 2021 | 4.6K WA residents | 2 sources ▾ |
| Exceltox Laboratories | Feb 2021 | 4.6K WA residents | 2 sources ▾ |
| University of Wisconsin Hospitals and Clinics Authority | Jun 2021 | 4.6K WA residents | HHS |
| Project Vida Health Center | Feb 2021 | 4.5K WA residents | HHS |
| Ijaola | Aug 2021 | 4.5K WA residents | HHS |
| Harrington Physician Services | Apr 2021 | 4.4K WA residents | HHS |
| Austin Perio Health | Nov 2021 | 4.3K WA residents | HHS |
| Brownsville Community Health Center | May 2021 | 4.3K WA residents | HHS |
| Southwestern Indiana Regional Council on Aging | May 2021 | 4.3K WA residents | HHS |
| Professional Dental Alliance of Texas | Oct 2021 | 4.2K WA residents | HHS |
| Swedish Covenant Health | May 2021 | 4.2K WA residents | HHS |
| Episcopal Retirement Services | Nov 2021 | 4.1K WA residents | HHS |
| Southeastern Minnesota Center for Independent Living | Feb 2021 | 4.1K WA residents | HHS |
| Great Plains Manufacturing | Dec 2021 | 4.1K WA residents | HHS |
| Nippon Life Insurance Company of America | Oct 2021 | 4.1K WA residents | 2 sources ▾ |
| TidalHealth Peninsula Regional | May 2021 | 4.1K WA residents | HHS |
| Virginia Department of Behavioral Health and Developmental Services | Dec 2021 | 4K WA residents | HHS |
| Center for Alternative Sentencing and Employment Services | Jan 2021 | 4K WA residents | HHS |
| Thrifty Drug Stores | Apr 2021 | 4K WA residents | HHS |
| Senior Living | Oct 2021 | 4K WA residents | HHS |
| Aloha Practice Management | Apr 2021 | 3.8K WA residents | HHS |
| Dr. Kochurani Puthumana | Dec 2021 | 3.8K WA residents | HHS |
| Lake Charles Memorial Health System | Feb 2021 | 3.8K WA residents | HHS |
| SEES | Apr 2021 | 3.8K WA residents | HHS |
| Nova Biomedical | Aug 2021 | 3.8K WA residents | HHS |
| Eau Claire Cooperative Health | Jul 2021 | 3.8K WA residents | HHS |
| Integrated Services of Kalamazoo | Nov 2021 | 3.8K WA residents | HHS |
| Sapphire Community Health | Apr 2021 | 3.8K WA residents | HHS |
| Vista Radiology | Sept 2021 | 3.7K WA residents | HHS |
| UT Southwestern Medical Center | Feb 2021 | 3.6K WA residents | HHS |
| Arkansas Health and Wellness Health Plan | May 2021 | 3.6K WA residents | HHS |
| Huggins Hospital | Apr 2021 | 3.6K WA residents | HHS |
| North East Ohio Network | Oct 2021 | 3.6K WA residents | HHS |
| North Country Healthcare | Aug 2021 | 3.6K WA residents | HHS |
| Singing River Health System | Jun 2021 | 3.5K WA residents | HHS |
| Andrew Sauchelli, DMD | Dec 2021 | 3.4K WA residents | HHS |
| Sterling Area Health Center | Apr 2021 | 3.3K WA residents | HHS |
| Winona Agency | Apr 2021 | 3.3K WA residents | HHS |
| Nocona General Hospital | May 2021 | 3.3K WA residents | HHS |
| North Spring Behavioral Healthcare | Nov 2021 | 3.2K WA residents | HHS |
| Region IV Area Agency on Aging | Nov 2021 | 3.2K WA residents | HHS |
| Peak Vista Community Health Centers | Apr 2021 | 3.1K WA residents | HHS |
| Serendipity Hearing | May 2021 | 3.1K WA residents | HHS |
| CVS Caremark | Jun 2021 | 3.1K WA residents | HHS |
| Throckmorton County Memorial Hospital | Oct 2021 | 3K WA residents | HHS |
| Glacier Medical Associates | Jun 2021 | 3K WA residents | HHS |
| Rose H Bailey DDS | Oct 2021 | 3K WA residents | HHS |
| The Miriam Hospital | May 2021 | 3K WA residents | HHS |
| Roy Varughese, M.D | Dec 2021 | 2.9K WA residents | HHS |
| Amistad Family Services | Nov 2021 | 2.9K WA residents | HHS |
| Geisinger Health Plan | Feb 2021 | 2.9K WA residents | HHS |
| Wisconsin Department of Health Services | Jan 2021 | 2.9K WA residents | HHS |
| California Physicians' Services | Jan 2021 | 2.8K WA residents | 2 sources ▾ |
| Epilepsy Foundation of Texas | Sept 2021 | 2.8K WA residents | HHS |
| St. Agnes Healthcare | May 2021 | 2.8K WA residents | HHS |
| Starling Physicians | Jul 2021 | 2.8K WA residents | HHS |
| MidMichigan Health Services | May 2021 | 2.8K WA residents | HHS |
| Penobscot Community Health Center | May 2021 | 2.8K WA residents | HHS |
| Superior HealthPlan | Jun 2021 | 2.8K WA residents | HHS |
| Youth Consultation Service | Jul 2021 | 2.8K WA residents | HHS |
| Bryan Health | Oct 2021 | 2.8K WA residents | HHS |
| Dyras Dental | Mar 2021 | 2.7K WA residents | HHS |
| Virginia Mason Medical Center | Dec 2021 | 2.7K WA residents | 2 sources ▾ |
| The University of North Carolina at Chapel Hill School of Medicine | Jul 2021 | 2.7K WA residents | HHS |
| Child Focus | Mar 2021 | 2.7K WA residents | HHS |
| The Cancer Center of Greenwood Leflore Hospital | Jul 2021 | 2.7K WA residents | HHS |
| River City Whole Health | Mar 2021 | 2.7K WA residents | HHS |
| Miracle | Feb 2021 | 2.7K WA residents | HHS |
| Standard Modern | Jul 2021 | 2.7K WA residents | HHS |
| Virtua Health | Apr 2021 | 2.7K WA residents | HHS |
| University Health | Apr 2021 | 2.7K WA residents | HHS |
| Resource Anesthesiology Association of California | Jul 2021 | 2.7K WA residents | 2 sources ▾ |
| Griffith Energy Services | Sept 2021 | 2.7K WA residents | HHS |
| Eye Consultants of Atlanta | Jun 2021 | 2.7K WA residents | HHS |
| Hill Country Community Clinic | Jun 2021 | 2.7K WA residents | HHS |
| Solis Health Plans | Mar 2021 | 2.6K WA residents | HHS |
| Hackley Community Care Center | Feb 2021 | 2.6K WA residents | HHS |
| Wirt County Health Services Association | May 2021 | 2.6K WA residents | HHS |
| Little Hill Foundation for the Rehabilitation of Alcoholics | Jun 2021 | 2.6K WA residents | HHS |
| Three Lower Counties Community Services | Mar 2021 | 2.5K WA residents | HHS |
| Clinical Pathology Diagnostics | Oct 2021 | 2.5K WA residents | HHS |
| Gastroenterology Consultants | Jan 2021 | 2.5K WA residents | HHS |
| City of Joplin | Sept 2021 | 2.5K WA residents | HHS |
| Community Health Choice | May 2021 | 2.5K WA residents | HHS |
| AtriCure | Jun 2021 | 2.5K WA residents | HHS |
| Center for Disease Detection | Apr 2021 | 2.4K WA residents | HHS |
| A Renewed Mind | Jan 2021 | 2.4K WA residents | HHS |
| Fairbanks Cancer Care Physicians | Jun 2021 | 2.4K WA residents | HHS |
| Villa of Hope | Mar 2021 | 2.4K WA residents | HHS |
| Indian Creek Foundation | Sept 2021 | 2.4K WA residents | HHS |
| Stavros Center for Independent Living | Mar 2021 | 2.3K WA residents | HHS |
| WeCare TLC | Jan 2021 | 2.3K WA residents | HHS |
| Buckeye Health Plan | May 2021 | 2.3K WA residents | HHS |
| Redwoods Rural Health Center | Oct 2021 | 2.3K WA residents | HHS |
| Limeade | Jan 2021 | 2.3K WA residents | HHS |
| Leonard J. Chabert Medical Center | Jan 2021 | 2.3K WA residents | HHS |
| HBP Financial Services | Sept 2021 | 2.2K WA residents | HHS |
| Tom Wood | Nov 2021 | 2.2K WA residents | HHS |
| Sequoia Concepts | Jun 2021 | 2.2K WA residents | 2 sources ▾ |
| Dental Center of Westport | Jun 2021 | 2.2K WA residents | HHS |
| Painters District Council No. 30 Health and Welfare Fund | Oct 2021 | 2.2K WA residents | HHS |
| Prestera Center for Mental Health Services | Jul 2021 | 2.2K WA residents | HHS |
| Sage Medical Professionals | Dec 2021 | 2.1K WA residents | HHS |
| Sacramento County Department of Health Services | Dec 2021 | 2.1K WA residents | HHS |
| Jewish Home Lifecare | Feb 2021 | 2.1K WA residents | HHS |
| Stanford University School of Medicine | May 2021 | 2.1K WA residents | HHS |
| Tiburcio Vasquez Health Center | Feb 2021 | 2K WA residents | 2 sources ▾ |
| Wayne County Hospital | Jul 2021 | 2K WA residents | HHS |
| Rockbridge Area Community Services Board | Oct 2021 | 2K WA residents | HHS |
| Lakeshore Dental | Sept 2021 | 2K WA residents | HHS |
| ADEC | Sept 2021 | 2K WA residents | HHS |
| Physicians Dialysis | Jun 2021 | 2K WA residents | HHS |
| Hot Springs Health Program | Jul 2021 | 2K WA residents | HHS |
| Ascension Via Christi ACE | Jul 2021 | 2K WA residents | HHS |
| Family Health Services MN | Mar 2021 | 2K WA residents | HHS |
| Master Equity Texas Limited Partnership | May 2021 | 2K WA residents | HHS |
| Illinois Department of Human Services and Illinois Department of Healthcare and Family Services | Sept 2021 | 2K WA residents | HHS |
| WyndRidge Health and Rehabilitation Center | Nov 2021 | 2K WA residents | HHS |
| St. Vincent's Services | Jul 2021 | 1.9K WA residents | HHS |
| Zenith American Solutions | Sept 2021 | 1.9K WA residents | 2 sources ▾ |
| North Country Hospital | Apr 2021 | 1.9K WA residents | HHS |
| Catholic Charities of North Dakota | Apr 2021 | 1.9K WA residents | HHS |
| Minnesota Women's Care, P.A | Nov 2021 | 1.9K WA residents | HHS |
| Falcon Group International | Jun 2021 | 1.9K WA residents | HHS |
| Massena Hospital | May 2021 | 1.9K WA residents | HHS |
| Memorial Hermann Health System | Mar 2021 | 1.9K WA residents | HHS |
| Valley Physical Medicine & Rehabilitation | Aug 2021 | 1.9K WA residents | HHS |
| Prime Therapeutics | Jan 2021 | 1.9K WA residents | HHS |
| Tyler Family Circle of Care | May 2021 | 1.9K WA residents | HHS |
| W. Emery Reynolds, M.D | Dec 2021 | 1.8K WA residents | HHS |
| Medi-Lynx Cardiac Monitoring | Jul 2021 | 1.8K WA residents | HHS |
| Foundation for Medical Care of Tulare and Kings Counties | Oct 2021 | 1.8K WA residents | HHS |
| Epilepsy Florida | Mar 2021 | 1.8K WA residents | HHS |
| Lynn Community Health | Jan 2021 | 1.8K WA residents | HHS |
| Medical Business Management | Aug 2021 | 1.8K WA residents | HHS |
| Ascension | May 2021 | 1.7K WA residents | HHS |
| Sierra Nevada Primary Care Physicians | Jul 2021 | 1.7K WA residents | 2 sources ▾ |
| Express MRI | Aug 2021 | 1.7K WA residents | HHS |
| Ascension Standish Hospital | May 2021 | 1.7K WA residents | HHS |
| Williamson Health and Wellness Center | May 2021 | 1.7K WA residents | HHS |
| Inova Health System | Jan 2021 | 1.7K WA residents | HHS |
| Orlando Health South Lake Hospital | Feb 2021 | 1.7K WA residents | HHS |
| Achievement Center of LECOM Health | Apr 2021 | 1.7K WA residents | HHS |
| Montefiore Medical Center | Jan 2021 | 1.7K WA residents | HHS |
| Minimed Distribution | Apr 2021 | 1.7K WA residents | HHS |
| San Fernando Valley Medical | Mar 2021 | 1.7K WA residents | HHS |
| siParadigm | Jul 2021 | 1.7K WA residents | HHS |
| AMITA Health Medical Group Primary Care- Hoffman Estates | Nov 2021 | 1.6K WA residents | HHS |
| On Lok Senior Health Services | May 2021 | 1.6K WA residents | 2 sources ▾ |
| Rainbow Rehabilitation Centers | Feb 2021 | 1.6K WA residents | HHS |
| Victor Community Support Services | Jan 2021 | 1.6K WA residents | 2 sources ▾ |
| Pithadia Medical Professional Services | Dec 2021 | 1.6K WA residents | HHS |
| JEV Plastic Surgery & Medical Aesthetics | Nov 2021 | 1.6K WA residents | HHS |
| Mott Community College | Mar 2021 | 1.6K WA residents | HHS |
| Dermatology Group of Arkansas, PA | Jun 2021 | 1.6K WA residents | HHS |
| Beaumont Health | Aug 2021 | 1.6K WA residents | HHS |
| Dallas County Hospital District | Mar 2021 | 1.6K WA residents | HHS |
| Shands Teaching Hospitals and Clinics | May 2021 | 1.6K WA residents | HHS |
| Skin Care Specialty Physicians | Dec 2021 | 1.6K WA residents | HHS |
| Magnet Solutions | Nov 2021 | 1.6K WA residents | HHS |
| Hosparus | Jun 2021 | 1.5K WA residents | HHS |
| Jacobson Memorial Hospital Care Center | Feb 2021 | 1.5K WA residents | HHS |
| Seneca Family of Agencies | Aug 2021 | 1.5K WA residents | 2 sources ▾ |
| Blue Shield of California | Aug 2021 | 1.5K WA residents | 2 sources ▾ |
| United Neighborhood Health Services | Jun 2021 | 1.5K WA residents | HHS |
| City of Lincoln Aging Partners | Jul 2021 | 1.5K WA residents | HHS |
| Hope | Dec 2021 | 1.5K WA residents | HHS |
| C.E. Niehoff | Dec 2021 | 1.5K WA residents | HHS |
| Florida PACE Centers | Mar 2021 | 1.5K WA residents | HHS |
| Pitkin County | Feb 2021 | 1.5K WA residents | HHS |
| Tri-County Family Medicine | Jun 2021 | 1.4K WA residents | HHS |
| Volunteer State Health Plan | Feb 2021 | 1.4K WA residents | HHS |
| Adena Fayette Medical Center | Jul 2021 | 1.4K WA residents | HHS |
| Javery Pain Institute | Dec 2021 | 1.4K WA residents | HHS |
| The Menninger Clinic | Sept 2021 | 1.4K WA residents | HHS |
| Midland Care Connection | Mar 2021 | 1.4K WA residents | HHS |
| Thomas Jefferson University Hospital | Jul 2021 | 1.3K WA residents | HHS |
| Mobile County Commission | Jul 2021 | 1.3K WA residents | HHS |
| Pennsylvania Health & Wellness | Jun 2021 | 1.3K WA residents | HHS |
| James Kagan, MD | Dec 2021 | 1.3K WA residents | HHS |
| UTMP Surgical Oncology | Aug 2021 | 1.3K WA residents | HHS |
| JFK Medical Associates, PA | Jun 2021 | 1.3K WA residents | HHS |
| Nutan K. Parikh, M.D | Oct 2021 | 1.3K WA residents | HHS |
| Care Inns of Texas | Jun 2021 | 1.3K WA residents | HHS |
| Maritz | Apr 2021 | 1.3K WA residents | HHS |
| Bakersfield Hematology Oncology | Jul 2021 | 1.3K WA residents | HHS |
| Absolute Total Care | Jun 2021 | 1.3K WA residents | HHS |
| Public Education Employees' Health Insurance Plan | Jan 2021 | 1.2K WA residents | HHS |
| Carteret Health Care | Oct 2021 | 1.2K WA residents | HHS |
| Lakewood Manor Baptist Retirement Community | Sept 2021 | 1.2K WA residents | HHS |
| Washington DC VA Medical Center | Nov 2021 | 1.2K WA residents | HHS |
| Moses Lake Community Health Center | Jun 2021 | 1.2K WA residents | HHS |
| Pediatrix Cardiology of Washington | May 2021 | 1.2K WA residents | 2 sources ▾ |
| Hope Healthcare Service | Feb 2021 | 1.2K WA residents | HHS |
| East Jordan Family Health Center | Jun 2021 | 1.1K WA residents | HHS |
| NADG Hopewell | Oct 2021 | 1.1K WA residents | HHS |
| Desert Oasis Healthcare | Jan 2021 | 1.1K WA residents | HHS |
| Washoe Barton Medical Clinic | May 2021 | 1.1K WA residents | HHS |
| The Recovery Project | Jun 2021 | 1.1K WA residents | HHS |
| Laird Hospital | May 2021 | 1.1K WA residents | HHS |
| John Muir Physician Network | Jun 2021 | 1.1K WA residents | HHS |
| InVue Security Products | May 2021 | 1.1K WA residents | HHS |
| Scott Regional Hospital | May 2021 | 1.1K WA residents | HHS |
| West Virginia Senior Advantage | Mar 2021 | 1K WA residents | HHS |
| Oklahoma Heart Hospital | Jul 2021 | 1K WA residents | HHS |
| Dean Health Servicing | May 2021 | 1K WA residents | HHS |
| ProComp Software Consultants | Mar 2021 | 1K WA residents | HHS |
| Jackson County Health Department | Oct 2021 | 1K WA residents | HHS |
| Specialty Surgical Suites | Apr 2021 | 1K WA residents | HHS |
| NPS | Apr 2021 | 999 WA residents | HHS |
| Sleep Medicine Associates of Texas, P.A | Mar 2021 | 994 WA residents | HHS |
| Clovis Community Medical Center | Feb 2021 | 994 WA residents | HHS |
| Nystrom & Associates | Jul 2021 | 985 WA residents | HHS |
| Triangle Women's Center | Jul 2021 | 978 WA residents | HHS |
| Refresh Mental Health | Jun 2021 | 948 WA residents | HHS |
| Dynamic Health Care | Jul 2021 | 947 WA residents | HHS |
| State of TN Finance & Administration | May 2021 | 947 WA residents | HHS |
| University of North Carolina Health | Nov 2021 | 946 WA residents | HHS |
| Gyrodata | Apr 2021 | 944 WA residents | HHS |
| New Directions Youth & Family Services | Feb 2021 | 941 WA residents | HHS |
| Alabama Department of Rehabilitation Services | Dec 2021 | 934 WA residents | HHS |
| Waste Management Health and Welfare Benefits Plan | Aug 2021 | 922 WA residents | HHS |
| Children's Hospital of The King's Daughters | Aug 2021 | 914 WA residents | HHS |
| Werner Electric Supply | Apr 2021 | 907 WA residents | HHS |
| Walworth County Department of Health and Human Services | Mar 2021 | 907 WA residents | HHS |
| Fast Medical Center | Dec 2021 | 901 WA residents | HHS |
| Harbor Health Services | Apr 2021 | 901 WA residents | HHS |
| Campbell County Hospital District | Feb 2021 | 900 WA residents | HHS |
| Merrill Iron & Steel Health Benefit Plan | Jan 2021 | 899 WA residents | HHS |
| Cook County Health | Jul 2021 | 898 WA residents | HHS |
| Digital Insurance | Sept 2021 | 895 WA residents | HHS |
| CleanSlate Centers | Jul 2021 | 890 WA residents | HHS |
| KR Perio, Katherine Rodriguez, DMD | Jan 2021 | 885 WA residents | HHS |
| Baylor Scott & White Medical Center | Dec 2021 | 883 WA residents | HHS |
| Adirondack Medical Center | May 2021 | 877 WA residents | HHS |
| Steward West Division – AR/LA/TX ACE | Feb 2021 | 877 WA residents | HHS |
| Cerebral Medical | Sept 2021 | 875 WA residents | HHS |
| New Bedford Jewish Convalescent Home | Mar 2021 | 873 WA residents | HHS |
| Mertz Manufacturing | Dec 2021 | 868 WA residents | HHS |
| Rogue Community Health | May 2021 | 847 WA residents | HHS |
| Unlimited Medical Services of Florida | Apr 2021 | 846 WA residents | HHS |
| CentraCare Health System | Jul 2021 | 842 WA residents | HHS |
| Pathology Consultants of New London | Sept 2021 | 835 WA residents | HHS |
| CVS Pharmacy | Sept 2021 | 826 WA residents | HHS |
| Kanan Medical | Apr 2021 | 823 WA residents | HHS |
| John Muir Health | Jul 2021 | 821 WA residents | 2 sources ▾ |
| Regence | Apr 2021 | 803 WA residents | HHS |
| Jackson County Health Dept | Apr 2021 | 800 WA residents | HHS |
| Colorado Allergy and Asthma Centers | Nov 2021 | 791 WA residents | HHS |
| Woods Super Markets | Jul 2021 | 785 WA residents | HHS |
| Fort HealthCare | Apr 2021 | 784 WA residents | HHS |
| Texas Health Presbyterian Hospital Flower Mound | Jul 2021 | 781 WA residents | HHS |
| Chaddock | Dec 2021 | 777 WA residents | HHS |
| UnitedHealth Group Single Affiliated Covered Entity | Jul 2021 | 774 WA residents | HHS |
| Spire Power Solutions | Jun 2021 | 771 WA residents | HHS |
| Penn Foundation | Jun 2021 | 768 WA residents | HHS |
| Froedtert Health | Jan 2021 | 760 WA residents | HHS |
| Monroe County Health Center | May 2021 | 757 WA residents | HHS |
| Cadence Aerospace | Apr 2021 | 747 WA residents | HHS |
| National Imaging Associates | Nov 2021 | 744 WA residents | 2 sources ▾ |
| Centura Health | Jun 2021 | 738 WA residents | HHS |
| Proteus Molecular and Clinical Lab | Mar 2021 | 728 WA residents | HHS |
| InfuSystem | Feb 2021 | 725 WA residents | HHS |
| Boston Medical Center | Nov 2021 | 723 WA residents | HHS |
| Hoyman Hong, M.D | Mar 2021 | 720 WA residents | HHS |
| UNC Hospitals | Oct 2021 | 719 WA residents | HHS |
| Citywide Health Plan | Mar 2021 | 718 WA residents | HHS |
| Arizona Oncology Associates | Mar 2021 | 717 WA residents | HHS |
| OSR Physical Therapy | Dec 2021 | 714 WA residents | HHS |
| Multnomah County | Sept 2021 | 709 WA residents | HHS |
| Lake County Health Department and Community Health Center | Jul 2021 | 705 WA residents | HHS |
| Turning Point Clinic | Jun 2021 | 700 WA residents | HHS |
| Greater New Bedford Community Health Center | Jan 2021 | 696 WA residents | HHS |
| Citizens Financial | Nov 2021 | 688 WA residents | HHS |
| Piedmont Health Services | Feb 2021 | 674 WA residents | HHS |
| Blue Cross of California | Aug 2021 | 672 WA residents | 2 sources ▾ |
| United Health Group Health Plan SACE | May 2021 | 666 WA residents | HHS |
| Electrical Workers Local 369 | Jul 2021 | 662 WA residents | HHS |
| St. Anne’s Family Services | Nov 2021 | 661 WA residents | HHS |
| Washington County School District | Nov 2021 | 659 WA residents | HHS |
| Serenity Care PACE | Mar 2021 | 658 WA residents | HHS |
| Paraquad | Jan 2021 | 648 WA residents | HHS |
| VA Northern California Health Care System | Mar 2021 | 645 WA residents | HHS |
| North Oaks Health System | Mar 2021 | 642 WA residents | HHS |
| Steward Medical | Jun 2021 | 640 WA residents | HHS |
| HC Watkins Memorial Hospital | May 2021 | 634 WA residents | HHS |
| Continental American Insurance | Nov 2021 | 623 WA residents | HHS |
| Urgent HomeMD | Apr 2021 | 615 WA residents | HHS |
| Reliant Rehabilitation | Mar 2021 | 614 WA residents | HHS |
| Krapf | Jan 2021 | 610 WA residents | HHS |
| Professional Dental Alliance of Massachusetts | Oct 2021 | 607 WA residents | HHS |
| Austin Hearing Services | Jan 2021 | 600 WA residents | HHS |
| HeartShare Wellness | Jul 2021 | 586 WA residents | HHS |
| Saint Peter's University Hospital | Jul 2021 | 585 WA residents | HHS |
| UAW Retiree Medical Benefits Trust | Dec 2021 | 576 WA residents | HHS |
| The George Washington University Medical Faculty Associates | Jul 2021 | 576 WA residents | HHS |
| Bayhealth Medical Center | May 2021 | 565 WA residents | HHS |
| Synergic Healthcare Solutions | Jul 2021 | 558 WA residents | HHS |
| Frisco Fertility Center | Aug 2021 | 552 WA residents | HHS |
| Health Care Service | Jun 2021 | 543 WA residents | HHS |
| Independent Health | Oct 2021 | 541 WA residents | HHS |
| West Holt Memorial Hospital | Jul 2021 | 541 WA residents | HHS |
| Chautauqua County | Apr 2021 | 537 WA residents | HHS |
| Presbyterian Medical Services | Apr 2021 | 536 WA residents | HHS |
| Mankato Clinic | Sept 2021 | 535 WA residents | HHS |
| Famous Enterprises | Sept 2021 | 528 WA residents | HHS |
| Total Life Healthcare | Mar 2021 | 528 WA residents | HHS |
| Family Health Centers of San Diego | Dec 2021 | 523 WA residents | 2 sources ▾ |
| Nashua Regional Cancer Center | Aug 2021 | 520 WA residents | HHS |
| VNA Home Health and Hospice | Mar 2021 | 517 WA residents | HHS |
| Oscar Insurance Company of Florida | Jul 2021 | 516 WA residents | HHS |
| Boston Children’s Hospital | Apr 2021 | 506 WA residents | HHS |
| Consumer Direct Care Network Arizona | Sept 2021 | 504 WA residents | HHS |
| Illinois Attorney General's Office | Jun 2021 | 501 WA residents | HHS |
| Hope Medical | Jul 2021 | 500 WA residents | HHS |
| Miracle-Ear | Mar 2021 | 500 WA residents | HHS |
| Andor Labs | Feb 2021 | 500 WA residents | HHS |
| Lincare | Sept 2021 | 37.1K WA residents | 2 sources ▾ |
| King County Public Health Hospital District No. 2 | Jul 2021 | 20.2K WA residents | WA AG |
| Alliance Physical Therapy Partners | Dec 2021 | 2.2K WA residents | 2 sources ▾ |
| American Health Care Academy | Mar 2021 | 1.2K WA residents | WA AG |
| Nexelis | Apr 2021 | 957 WA residents | WA AG |
| Forefront Management | May 2021 | 877 WA residents | 2 sources ▾ |
| Innovations | Oct 2021 | 772 WA residents | 2 sources ▾ |
| HealthCare | Sept 2021 | 625 WA residents | WA AG |
| Cancer Treatment Centers of America | Jan 2021 | 579 WA residents | WA AG |
| MailMyPrescriptions.com | Apr 2021 | 507 WA residents | WA AG |
No 2021 healthcare breach matches that.
Check if you're exposed in a breach with Serus
Find your leaks. Get alerted to new ones.
Breach data from Have I Been Pwned, licensed under CC BY 4.0; the U.S. Department of Health and Human Services' breach portal; and the public breach notices of the California and Washington Attorneys General (Washington counts are state residents only). Sensitive breaches (such as adult and dating sites), spam lists, fabricated breaches and malware logs aren't listed.