673 healthcare data breaches in 2022
Every breach of health information in 2022, 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 |
|---|---|---|---|
 Independent Living Systems | Sept 2022 | 4.2M WA residents | HHS |
| Reventics | Dec 2022 | 4.2M WA residents | 3 sources ▾ |
| Regal Medical Group | Dec 2022 | 3.3M WA residents | View breach |
| Advocate Aurora Health | Oct 2022 | 3M WA residents | HHS |
| Connexin Software | Jul 2022 | 2.8M WA residents | 2 sources ▾ |
| Shields Health Care | Mar 2022 | 2.4M WA residents | 3 sources ▾ |
| Apria Healthcare | May 2022 | 1.9M WA residents | HHS |
| Baptist Medical Center | Mar 2022 | 1.6M WA residents | 3 sources ▾ |
| Community Health Network | Nov 2022 | 1.5M WA residents | HHS |
| Novant Health | Aug 2022 | 1.4M WA residents | HHS |
| US Radiology Specialists | Feb 2022 | 1.3M WA residents | HHS |
| Texas Tech University Health Sciences Center | Jun 2022 | 1.3M WA residents | HHS |
| Practice Resources | Apr 2022 | 942.1K WA residents | 2 sources ▾ |
| Wright & Filippis | Jan 2022 | 877.6K WA residents | 2 sources ▾ |
| Partnership HealthPlan of California | Mar 2022 | 852.4K WA residents | 3 sources ▾ |
| CHRISTUS Spohn Health System | Jul 2022 | 842.9K WA residents | HHS |
| Doctors' Center Hospital | Nov 2022 | 762.4K WA residents | HHS |
| Yuma Regional Medical Center | Jun 2022 | 738.1K WA residents | HHS |
| CommonSpirit Health | Sept 2022 | 633K WA residents | 2 sources ▾ |
| Metropolitan Area EMS Authority | Dec 2022 | 612K WA residents | HHS |
| Comstar | Mar 2022 | 585.6K WA residents | 2 sources ▾ |
| Adaptive Health Integrations | Apr 2022 | 510.6K WA residents | HHS |
| CorrectCare Integrated Health | Jan 2022 | 502.1K WA residents | 2 sources ▾ |
| OakBend Medical Center | Oct 2022 | 500K WA residents | HHS |
| WakeMed Health and Hospitals | Oct 2022 | 495.8K WA residents | HHS |
| Illinois Department of Healthcare and Family Services, Illinois Department of Human Services | Oct 2022 | 480.4K WA residents | HHS |
| Maternal and Family Health Services | Aug 2022 | 461.1K WA residents | HHS |
| Cardiovascular Associates | Nov 2022 | 433.3K WA residents | 2 sources ▾ |
| Salud Family Health | Sept 2022 | 427.5K WA residents | 2 sources ▾ |
| East Tennessee Children's Hospital | Apr 2022 | 422.5K WA residents | HHS |
| Goodman Campbell Brain and Spine | Jul 2022 | 362.8K WA residents | HHS |
| ARcare | Apr 2022 | 345.4K WA residents | HHS |
| Conifer Revenue Cycle Solutions | Aug 2022 | 343.6K WA residents | HHS |
| Molecular Pathology Laboratory Network | Mar 2022 | 339.5K WA residents | HHS |
| Aetna ACE | Feb 2022 | 325.3K WA residents | HHS |
| Cytometry Specialists | Mar 2022 | 312K WA residents | HHS |
| Empress Ambulance Service | Sept 2022 | 305.1K WA residents | HHS |
| South Denver Cardiology Associates | Mar 2022 | 287.7K WA residents | HHS |
| Avem Health Partners | Dec 2022 | 271.3K WA residents | HHS |
| The Stern Cardiovascular Foundation | Nov 2022 | 270.6K WA residents | HHS |
| Southwest Louisiana Health Care System | Dec 2022 | 269.8K WA residents | HHS |
| Stokes Regional Eye Centers | Jun 2022 | 266.2K WA residents | HHS |
| Refuah Health Center | Apr 2022 | 260.7K WA residents | HHS |
| Synergic Healthcare Solutions | Jul 2022 | 258.4K WA residents | HHS |
| Health Care Management Solutions | Nov 2022 | 254K WA residents | HHS |
| Highmark | Dec 2022 | 239K WA residents | 3 sources ▾ |
| Keystone Health | Oct 2022 | 235.2K WA residents | HHS |
| FMC Services | Jul 2022 | 233.9K WA residents | 2 sources ▾ |
| Avamere Health Services | Jan 2022 | 229.5K WA residents | 2 sources ▾ |
| Norwood Clinic | Feb 2022 | 228K WA residents | HHS |
| Illinois Gastroenterology | Apr 2022 | 227.9K WA residents | HHS |
| Alliance Physical Therapy | Feb 2022 | 197.6K WA residents | HHS |
| BHG | Jul 2022 | 197.5K WA residents | HHS |
| Physician's Business Office | Apr 2022 | 196.7K WA residents | 2 sources ▾ |
| Premere Infinity Rehab | Jul 2022 | 196.1K WA residents | HHS |
| Regional Eye Associates | Apr 2022 | 194K WA residents | HHS |
| Community Psychiatry Management | Feb 2022 | 193.9K WA residents | 2 sources ▾ |
| Taylor Regional Hospital | Mar 2022 | 190.2K WA residents | HHS |
| Tift Regional Health System | Oct 2022 | 180.1K WA residents | HHS |
| OrthoAlaska | Sept 2022 | 176.2K WA residents | 2 sources ▾ |
| 90 Degree Benefits | Jan 2022 | 172.5K WA residents | 2 sources ▾ |
| Urgent Team | Mar 2022 | 166.6K WA residents | HHS |
| Lutheran Social Services of Illinois | Mar 2022 | 146K WA residents | HHS |
| Medical Healthcare Solutions | Jan 2022 | 134K WA residents | HHS |
| Common Ground Healthcare Cooperative | Aug 2022 | 133.7K WA residents | HHS |
| Carolina Behavioral Health Alliance | Jul 2022 | 130.9K WA residents | HHS |
| Lubbock Heart & Surgical Hospital | Sept 2022 | 122.6K WA residents | HHS |
| Gateway Rehabilitation Center | Nov 2022 | 119K WA residents | HHS |
| Hayward Sisters Hospital | Nov 2022 | 115.2K WA residents | 2 sources ▾ |
| South Shore Hospital | Feb 2022 | 115.2K WA residents | HHS |
| Heidell, Pittoni, Murphy & Bach | May 2022 | 115K WA residents | HHS |
| Fitzgibbon Hospital | Dec 2022 | 112.1K WA residents | HHS |
| Methodist McKinney Hospital | Aug 2022 | 110.2K WA residents | HHS |
| First Choice Community Health Care | Aug 2022 | 101.5K WA residents | HHS |
| Providence WA Anesthesia Services | Jul 2022 | 98.4K WA residents | 2 sources ▾ |
| Onyx Technology | Aug 2022 | 96.8K WA residents | HHS |
| Jackson County Hospital District | Feb 2022 | 96.3K WA residents | HHS |
| New Jersey Brain and Spine | Mar 2022 | 92.5K WA residents | HHS |
| NuLife Med | May 2022 | 92.4K WA residents | HHS |
| Mattax Neu Prater Eye Center | Jun 2022 | 92.4K WA residents | HHS |
| Schneck Medical Center | May 2022 | 92.3K WA residents | HHS |
| Healthplex | Apr 2022 | 90K WA residents | HHS |
| Falcon Healthcare | Oct 2022 | 89.4K WA residents | HHS |
| Fred Hutchinson Cancer Center | Mar 2022 | 89.1K WA residents | 3 sources ▾ |
| Merritt Healthcare Advisors | Jul 2022 | 88.7K WA residents | 2 sources ▾ |
| Val Verde Regional Medical Center | May 2022 | 86.6K WA residents | HHS |
| Duncan Regional Hospital | Mar 2022 | 86.4K WA residents | HHS |
| TTEC Healthcare Solutions | Jan 2022 | 86.3K WA residents | HHS |
| Labette Health | Mar 2022 | 85.6K WA residents | HHS |
| Louisiana Department of Public Safety and Corrections | Oct 2022 | 85.5K WA residents | HHS |
| Law Enforcement Health Benefits | Mar 2022 | 85.3K WA residents | HHS |
| Mena Regional Health System | Nov 2022 | 84.8K WA residents | HHS |
| Family Practice Center | Jul 2022 | 84K WA residents | HHS |
| Central Indiana Orthopedics | Mar 2022 | 83.7K WA residents | HHS |
| Memorial village ER | Feb 2022 | 80K WA residents | HHS |
| Urology of Greater Atlanta | Oct 2022 | 79.8K WA residents | HHS |
| SAC Health System | May 2022 | 77.8K WA residents | HHS |
| Clinivate | Mar 2022 | 77.7K WA residents | 2 sources ▾ |
| Suncoast Skin Solutions | Jan 2022 | 77.2K WA residents | HHS |
| Medical Associates of the Lehigh Valley | Sept 2022 | 75.6K WA residents | HHS |
| Kaiser Foundation Health Plan | May 2022 | 75K WA residents | 2 sources ▾ |
| Brockton Hospital | Jan 2022 | 73K WA residents | HHS |
| Lifeline Systems | Oct 2022 | 72.8K WA residents | HHS |
| Ascension St. Vincent’s Coastal Cardiology | Oct 2022 | 71.2K WA residents | HHS |
| Valle del Sol | Oct 2022 | 70.3K WA residents | HHS |
| Advocates | Jan 2022 | 70K WA residents | HHS |
| Dallam Hartley Counties Hospital District | Nov 2022 | 69.8K WA residents | HHS |
| Kaiser Foundation Health Plan of Washington | Apr 2022 | 69.6K WA residents | 2 sources ▾ |
| Carolina Eyecare Physicians | Jun 2022 | 68.7K WA residents | HHS |
| EmergeOrtho | Aug 2022 | 68.7K WA residents | HHS |
| Highmark | Mar 2022 | 67.1K WA residents | HHS |
| Pediatrics West | Dec 2022 | 62.9K WA residents | HHS |
| iRise Florida Spine and Joint Institute | Jan 2022 | 61.6K WA residents | HHS |
| Optima Dermatology | Apr 2022 | 59.9K WA residents | HHS |
| Lamoille Health Partners | Aug 2022 | 59.4K WA residents | HHS |
| Resolute Health Hospital | Jun 2022 | 59K WA residents | HHS |
| Dyersburg Family Walk-In Clinic | Sept 2022 | 58.6K WA residents | HHS |
| Precision Eye Care | Jun 2022 | 58.5K WA residents | HHS |
| Palm Springs Anesthesia Services | Sept 2022 | 58.4K WA residents | HHS |
| Magie Mabrey Hughes Eye Clinic, P.A | Jul 2022 | 57.4K WA residents | HHS |
| Shoreline Eye | May 2022 | 57K WA residents | HHS |
| CONSUMER DIRECTED SERVICES IN TEXAS | Nov 2022 | 56.7K WA residents | HHS |
| Advanced Medical Practice Management | Mar 2022 | 56.4K WA residents | HHS |
 Monarch | Aug 2022 | 56.2K WA residents | View breach |
| Charleston Area Medical Center | Mar 2022 | 54K WA residents | HHS |
| SUMMIT EYE ASSOCIATES | Apr 2022 | 53.8K WA residents | HHS |
| Peachtree Orthopaedic Clinic | Jan 2022 | 53.7K WA residents | HHS |
| Montrose Regional Health | Feb 2022 | 52.6K WA residents | HHS |
| First Step of Sarasota | Feb 2022 | 52.5K WA residents | HHS |
| Newman Regional Health | Apr 2022 | 52.2K WA residents | HHS |
| McKenzie Health System | May 2022 | 51K WA residents | HHS |
| Allied Urological Services | May 2022 | 50.6K WA residents | HHS |
| AU Health | May 2022 | 49.6K WA residents | HHS |
| Hendry County Hospital Authority | Oct 2022 | 49.5K WA residents | HHS |
| McLaren Port Huron | Jul 2022 | 49K WA residents | HHS |
| Finkelstein Eye Associates | May 2022 | 48.6K WA residents | HHS |
| Cross Timbers Health Clinics, Inc/ | Feb 2022 | 48.1K WA residents | HHS |
| Reiter Affiliated Companies | Jun 2022 | 48K WA residents | 2 sources ▾ |
| Trinity Health | Aug 2022 | 46.7K WA residents | HHS |
| Heartland Alliance | Nov 2022 | 46.7K WA residents | HHS |
| Resources for Human Development | Mar 2022 | 46.7K WA residents | HHS |
| General Health System | Aug 2022 | 46.1K WA residents | HHS |
| Southwest Health Center | Jul 2022 | 46.1K WA residents | HHS |
| Stanley Street Treatment and Resources | Nov 2022 | 45.8K WA residents | HHS |
| FOREFRONT DERMATOLOGY, SC | Oct 2022 | 45.6K WA residents | HHS |
| Reiter Affiliated Health and Welfare Plan | Sept 2022 | 45K WA residents | HHS |
| Presbyterian Healthcare Services | Oct 2022 | 44.5K WA residents | HHS |
| Anesthesia Services Of San Joaquin | Jul 2022 | 43.9K WA residents | 2 sources ▾ |
| Aloha Laser Vision | Jun 2022 | 43.3K WA residents | HHS |
| Anesthesia Associates of El Paso PA | Sept 2022 | 43.2K WA residents | HHS |
| Cancer and Hematology Centers of Western Michigan | Mar 2022 | 43.1K WA residents | HHS |
| Resource Anesthesiology Associates of NM | Oct 2022 | 42.6K WA residents | HHS |
| Vail Health Services | May 2022 | 41.9K WA residents | HHS |
| Hospital Authority of Valdosta and Lowndes County Georgia | Jan 2022 | 41.7K WA residents | HHS |
| ARx Patient Solutions | Mar 2022 | 41.2K WA residents | 3 sources ▾ |
| Center for Sight | Jun 2022 | 41K WA residents | HHS |
| Associated Eye Care | Jul 2022 | 40.8K WA residents | HHS |
| Ola Equipment | Dec 2022 | 39K WA residents | HHS |
| The Physicians’ Spine and Rehabilitation Specialists of Georgia | Sept 2022 | 38.6K WA residents | HHS |
| Jacksonville Spine Center, P.A | Feb 2022 | 38.3K WA residents | HHS |
| Oklahoma City Indian Clinic | May 2022 | 38.2K WA residents | HHS |
| Moyes Eye Center | May 2022 | 38K WA residents | HHS |
| Resource Anesthesiology Associates | Sept 2022 | 37.9K WA residents | HHS |
| VisionWeb | Oct 2022 | 35.9K WA residents | HHS |
| The Elizabeth Hospice | Dec 2022 | 35.5K WA residents | 2 sources ▾ |
| Orlando Health | Nov 2022 | 35.4K WA residents | HHS |
| Livingston Memorial VNA Health | Mar 2022 | 34.8K WA residents | HHS |
| Henderson & Walton Women’s Center | Aug 2022 | 34.3K WA residents | HHS |
| The Puerto Rican Organization to Motivate, Enltighten, and Serve Addicts | Feb 2022 | 33.9K WA residents | HHS |
| McCoy Vision Center | Jun 2022 | 33.9K WA residents | HHS |
| University of Michigan/Michigan Medicine | Mar 2022 | 33.9K WA residents | HHS |
| Aesthetic Dermatology Associates | Oct 2022 | 33.8K WA residents | HHS |
| Family Health Care | May 2022 | 33.6K WA residents | HHS |
| Chesapeake Eye Center PA | Jun 2022 | 32.8K WA residents | HHS |
| Choice Health Insurance | May 2022 | 32.1K WA residents | 3 sources ▾ |
| St. Luke's Health System | Aug 2022 | 31.6K WA residents | HHS |
| Community Research Foundation | Oct 2022 | 31.1K WA residents | 2 sources ▾ |
| Regions Hospital | Oct 2022 | 31.1K WA residents | HHS |
| Family Christian Health Center | Jan 2022 | 31K WA residents | HHS |
| Primary Anesthesia Services | Jul 2022 | 31K WA residents | 2 sources ▾ |
| San Diego American Indian Health Center | May 2022 | 30.7K WA residents | 2 sources ▾ |
| Kevin Wolf, DPM | Jun 2022 | 30.7K WA residents | HHS |
| Zenith American Solutions | Jul 2022 | 30.6K WA residents | HHS |
| WellStar Health System | Apr 2022 | 30.4K WA residents | HHS |
| Allwell Behavioral Health Services | May 2022 | 30K WA residents | HHS |
| Central Vermont Eye Care | Apr 2022 | 29.9K WA residents | HHS |
| Long Vision Center | Jun 2022 | 29.2K WA residents | HHS |
| Insulet | Dec 2022 | 29K WA residents | 2 sources ▾ |
| Benson Health | Jul 2022 | 28.9K WA residents | HHS |
| EPIC Pharmacy Network | Feb 2022 | 28.8K WA residents | HHS |
| Central Minnesota Mental Health Center | Mar 2022 | 28.7K WA residents | HHS |
| Creative Hospice Care | May 2022 | 28.3K WA residents | HHS |
| FPS Medical Center | Feb 2022 | 28K WA residents | 2 sources ▾ |
| Capsule | Apr 2022 | 27.6K WA residents | 2 sources ▾ |
| Ascension Michigan ACE | Feb 2022 | 27.2K WA residents | HHS |
| Foxhall Ob Gyn Associates | Jun 2022 | 27K WA residents | HHS |
| Frank Eye Center, P.A | Apr 2022 | 26.3K WA residents | HHS |
| Alabama Eye & Cataract | Jun 2022 | 25.9K WA residents | HHS |
| Rock County Human Services Department | Aug 2022 | 25.6K WA residents | HHS |
| South Walton Fire District | Nov 2022 | 25.3K WA residents | HHS |
| Resource Anesthesiology Associates of MI | Sept 2022 | 24.9K WA residents | HHS |
| New Creation Counseling Center | Apr 2022 | 24K WA residents | HHS |
| Georgia Pines CSB | Apr 2022 | 24K WA residents | HHS |
| Lori A. Harkins MD | Jun 2022 | 24K WA residents | HHS |
| Lakeshore Bone & Joint Institute | Jan 2022 | 23.6K WA residents | HHS |
| Affiliated Eye Surgeons | Apr 2022 | 23.4K WA residents | HHS |
| The Guidance Center | Apr 2022 | 23.1K WA residents | HHS |
| Covenant Care California | Feb 2022 | 23.1K WA residents | 2 sources ▾ |
| Berkshire Farm Center & Services for Youth | Sept 2022 | 23.1K WA residents | HHS |
| UC San Diego Health | Sept 2022 | 23K WA residents | 2 sources ▾ |
| PrimeCare Medical | Oct 2022 | 22.3K WA residents | HHS |
| Country Doctor Community Health Clinic | Oct 2022 | 22.1K WA residents | 2 sources ▾ |
| ARC Industries | Jun 2022 | 22K WA residents | HHS |
| Valley View Hospital Association | Mar 2022 | 21.8K WA residents | HHS |
| South City Hospital | Jan 2022 | 21.6K WA residents | HHS |
| Administrative Fund of the Detectives’ Endowment Association | Oct 2022 | 21.5K WA residents | HHS |
| Mississippi Sports Medicine and Orthopaedic Center | May 2022 | 21.3K WA residents | HHS |
| Genesis Health Care | Sept 2022 | 21.2K WA residents | HHS |
| Legacy Operating | Dec 2022 | 21.2K WA residents | HHS |
| Healthback | Jul 2022 | 21.1K WA residents | HHS |
| Sterling Healthcare | Apr 2022 | 20.9K WA residents | HHS |
| Christiana Spine Center, PA | Jun 2022 | 20.9K WA residents | HHS |
| Employee Group Insurance Benefits Plan of Acuity Brands | Dec 2022 | 20.8K WA residents | HHS |
| East Valley Ophthalmology | Jul 2022 | 20.7K WA residents | HHS |
| Allied Eye Physicians and Surgeons | Apr 2022 | 20.7K WA residents | HHS |
| Conifer Value-Based Care | Jul 2022 | 20.6K WA residents | HHS |
| Central Florida Inpatient Medicine | Jun 2022 | 19.6K WA residents | HHS |
| Sylvester Eye Care | May 2022 | 19.4K WA residents | HHS |
| Independent Living Systems | Jun 2022 | 19.3K WA residents | 3 sources ▾ |
| McPherson Hospital | Sept 2022 | 19K WA residents | HHS |
| Rosenfeld VanWirt | Nov 2022 | 18.7K WA residents | HHS |
| Gateway Ambulatory Surgery Center | Oct 2022 | 18.5K WA residents | HHS |
| NorthStar HealthCare Consulting | Aug 2022 | 18.4K WA residents | HHS |
| Pace Center for Girls | Jan 2022 | 18.3K WA residents | HHS |
| Resource Anesthesiology Associates of IL | Sept 2022 | 18.3K WA residents | HHS |
| Philadelphia FIGHT Community Health Centers | Jan 2022 | 18K WA residents | HHS |
| Bronx Anesthesia Services | Sept 2022 | 17.8K WA residents | HHS |
| Cherry Creek Eye Physicians and Surgeons | Jun 2022 | 17.7K WA residents | HHS |
| Capital Region Medical Center | Mar 2022 | 17.6K WA residents | HHS |
| Bayhealth Medical Center | Jun 2022 | 17.5K WA residents | HHS |
| Arlington Skin | Jul 2022 | 17.5K WA residents | HHS |
| Aesto | May 2022 | 17.4K WA residents | HHS |
| The Bronx Accountable Healthcare Network | Jul 2022 | 17.2K WA residents | HHS |
| Alain A. Montiel, DDS | Oct 2022 | 17.2K WA residents | HHS |
| Niagara County Department of Mental Health and Substance Abuse | Aug 2022 | 17K WA residents | HHS |
| St Luke's Health | Oct 2022 | 16.9K WA residents | HHS |
| San Gorgonio Memorial Hospital | Oct 2022 | 16.8K WA residents | 2 sources ▾ |
| Motion Picture Industry Pension & Health Plans | May 2022 | 16.8K WA residents | HHS |
| County of Kings, State of California | Jan 2022 | 16.6K WA residents | HHS |
| Granbury Eye Clinic | Jul 2022 | 16.5K WA residents | HHS |
| Southwest Healthcare Services | Oct 2022 | 16K WA residents | 2 sources ▾ |
| Ultimate Care | Feb 2022 | 15.8K WA residents | HHS |
| Resource Anesthesiology Associates of CA A Medical | Jul 2022 | 15.5K WA residents | 2 sources ▾ |
| OneHome Health Solutions | Apr 2022 | 15.4K WA residents | HHS |
| Lifespire Services | Oct 2022 | 15.4K WA residents | HHS |
| Allegheny Health Network Home Infusion | Jan 2022 | 15.3K WA residents | HHS |
| Grayling Anesthesia Associates | Sept 2022 | 15.3K WA residents | HHS |
| Methodist Craig Ranch Surgical Center | Aug 2022 | 15.2K WA residents | HHS |
| Southern Ohio Medical Center | Apr 2022 | 15.1K WA residents | HHS |
| HH/Killeen Health System | Oct 2022 | 15.1K WA residents | HHS |
| Massengale Eye Care | Oct 2022 | 15K WA residents | HHS |
| Catholic Hospice | Jan 2022 | 15K WA residents | HHS |
| Arkfeld, Parson, and Goldstein, P.C. doing business as ilumin | Apr 2022 | 15K WA residents | HHS |
| CCA Health Plans of California | May 2022 | 14.6K WA residents | 2 sources ▾ |
| CareFirst Administrators | Nov 2022 | 14.5K WA residents | HHS |
| Hawaiian Eye Center | Dec 2022 | 14.5K WA residents | HHS |
| Monroe Ear Nose and Throat Associates | Sept 2022 | 14.5K WA residents | HHS |
| Bryan County Ambulance Authority | May 2022 | 14.3K WA residents | HHS |
| Dialyze Direct | Mar 2022 | 14.2K WA residents | HHS |
| Foundcare | Dec 2022 | 14.2K WA residents | HHS |
| Magellan Rx Management | Sept 2022 | 13.7K WA residents | HHS |
| Hazleton Anesthesia Services | Sept 2022 | 13.6K WA residents | HHS |
| Associated Ophthalmologists of Kansas City | May 2022 | 13.5K WA residents | HHS |
| Kernersville Eye Surgeons | Jun 2022 | 13.4K WA residents | HHS |
| Anthem ACE | Sept 2022 | 13.4K WA residents | HHS |
| Mason Tenders’ District Council Welfare Fund | Jun 2022 | 13.3K WA residents | HHS |
| Hofmann Arthritis Institute PLLC and Hofmann Arthritis Institute of Nevada | Feb 2022 | 13.3K WA residents | HHS |
| Work Health Solutions | Feb 2022 | 13.2K WA residents | 2 sources ▾ |
| Allaire Healthcare | May 2022 | 13.1K WA residents | HHS |
| Pediatric Associates | Apr 2022 | 13K WA residents | HHS |
| Colorado Physician Partners | Mar 2022 | 12.9K WA residents | HHS |
| Seredor Centers | Oct 2022 | 12.7K WA residents | HHS |
| Phelps County Regional Medical Center | Jun 2022 | 12.6K WA residents | HHS |
| Optum Medical Care of New Jersey | Sept 2022 | 12.5K WA residents | HHS |
| Anesthesia Associates of Maryland | Sept 2022 | 12.4K WA residents | HHS |
| Wisconsin Department of Health Services | Jul 2022 | 12.4K WA residents | HHS |
| University Medical Center of Southern Nevada | Feb 2022 | 12.2K WA residents | HHS |
| Houston Area Community Services | Jan 2022 | 12.2K WA residents | HHS |
| Northern California Fertility Medical Center | Jul 2022 | 12.1K WA residents | 2 sources ▾ |
| NewYork-Presbyterian Hospital | Nov 2022 | 12K WA residents | HHS |
| Seneca Nation Health System | Feb 2022 | 12K WA residents | HHS |
| Central Maine Medical Center | Jul 2022 | 11.9K WA residents | HHS |
| Neurology Center of Nevada | Sept 2022 | 11.7K WA residents | HHS |
| Dr. Alexander J. Richardson, DPM | Sept 2022 | 11.7K WA residents | HHS |
| Resource Anesthesiology Associates of MO | Sept 2022 | 11.6K WA residents | HHS |
| EmblemHealth Plan | May 2022 | 11.4K WA residents | HHS |
| Minuteman Senior Services | Jul 2022 | 11.3K WA residents | HHS |
| Valley Baptist Medical Center – Harlingen | Aug 2022 | 11.1K WA residents | HHS |
| Behavioral Health Partners of Metrowest | May 2022 | 10.9K WA residents | HHS |
| Somnia Pain Management of Kentucky | Oct 2022 | 10.8K WA residents | HHS |
| WellMed Medical Management | Sept 2022 | 10.5K WA residents | HHS |
| Nonstop Administration and Insurance Services | Dec 2022 | 10.5K WA residents | 2 sources ▾ |
| Fairfield County Implants and Periodontics | Apr 2022 | 10.5K WA residents | HHS |
| CareOregon Advantage | Feb 2022 | 10.5K WA residents | HHS |
| Community Bridges | Aug 2022 | 10.5K WA residents | HHS |
| Extend Fertility | Feb 2022 | 10.4K WA residents | HHS |
| Crossroads Health | Mar 2022 | 10.3K WA residents | HHS |
| Houston Health Department | Feb 2022 | 10.3K WA residents | HHS |
| Epic Management | Nov 2022 | 10.1K WA residents | HHS |
| Spencer’s Gifts | Jan 2022 | 10K WA residents | HHS |
| Hope Health Systems | Nov 2022 | 10K WA residents | HHS |
| La Casa de Salud | Apr 2022 | 10K WA residents | HHS |
| City of Cincinnati Health Plan | Jun 2022 | 9.8K WA residents | HHS |
| Tessie Cleveland Community Services | Jun 2022 | 9.7K WA residents | 2 sources ▾ |
| HealthPlan Services | Jun 2022 | 9.7K WA residents | 2 sources ▾ |
| Saddlebrook Anesthesia Services | Oct 2022 | 9.6K WA residents | HHS |
| Santa Rosa County District Schools | Jul 2022 | 9.4K WA residents | HHS |
| Altoona Area School District | Apr 2022 | 9.2K WA residents | HHS |
| Yale University | Nov 2022 | 9.1K WA residents | HHS |
| Upstate Anesthesia Services | Sept 2022 | 9K WA residents | HHS |
| Orangeburg Eye Center | Jun 2022 | 9K WA residents | HHS |
| Resource Anesthesiology Associates Of KY PSC | Oct 2022 | 9K WA residents | HHS |
| USAble Mutual Insurance | Aug 2022 | 8.9K WA residents | HHS |
| Rhode Island Department of Health | Dec 2022 | 8.8K WA residents | HHS |
| Blue Cross and Blue Shield of Alabama | Jul 2022 | 8.7K WA residents | HHS |
| Oklahoma Healthcare Authority | Feb 2022 | 8.6K WA residents | HHS |
| Stephen Sims, MD, PA | May 2022 | 8.6K WA residents | HHS |
| Kaiser Foundation Health Plan of the Mid-Atlantic States | Nov 2022 | 8.6K WA residents | HHS |
| Molina Healthcare | Sept 2022 | 8.3K WA residents | HHS |
| Surgery Partners | Jun 2022 | 8.3K WA residents | HHS |
| DataXport | Jan 2022 | 8.2K WA residents | HHS |
| Dr. Douglas C. Shoenberger | Nov 2022 | 8.2K WA residents | HHS |
| SERV Behavioral Health Systems | Sept 2022 | 8.1K WA residents | HHS |
| Allegheny Heath Network | Jul 2022 | 8.1K WA residents | HHS |
| Legacy Health | Jul 2022 | 8.1K WA residents | 2 sources ▾ |
| CareOregon | Oct 2022 | 8K WA residents | HHS |
| Canon Business Process Services | Apr 2022 | 8K WA residents | HHS |
| Smile Solutions | Jun 2022 | 8K WA residents | HHS |
| Pendurthi Surgical Associates | Nov 2022 | 7.9K WA residents | HHS |
| Northern Eye Care Associates | Apr 2022 | 7.9K WA residents | HHS |
| Oswego County Opportunities | May 2022 | 7.8K WA residents | HHS |
| Oscar Health Plan of California | Jan 2022 | 7.6K WA residents | HHS |
| North Shore University Hospital | Feb 2022 | 7.6K WA residents | HHS |
| Valley Baptist Medical Center | Aug 2022 | 7.5K WA residents | HHS |
| Bergen's Promise | Jun 2022 | 7.3K WA residents | HHS |
| First Street Family Health | Aug 2022 | 7.3K WA residents | HHS |
| St Joseph Heritage Health | Jun 2022 | 7.2K WA residents | HHS |
| Advantage Benefits | Apr 2022 | 7.1K WA residents | HHS |
| Fredericksburg Anesthesia Services | Sept 2022 | 7.1K WA residents | HHS |
| Delaware Department of Health and Social Services, Division of Developmental Disabilities Services | Oct 2022 | 7K WA residents | HHS |
| Sharper Vision P.A | Jun 2022 | 6.9K WA residents | HHS |
| Priti Patel Physician | Aug 2022 | 6.9K WA residents | HHS |
| University Pediatric Dentistry | Jun 2022 | 6.8K WA residents | HHS |
| Midwest Orthopaedic Consultants, S.C | Dec 2022 | 6.8K WA residents | HHS |
| Summit BHC West Virginia | Feb 2022 | 6.8K WA residents | HHS |
| Northern Rockies Orthopaedics | May 2022 | 6.7K WA residents | HHS |
| Atrium Health at Home | Jun 2022 | 6.7K WA residents | HHS |
| Phoenix Programs of Florida | Oct 2022 | 6.6K WA residents | HHS |
| 4 Over | Nov 2022 | 6.5K WA residents | 2 sources ▾ |
| Family Medicine Shady Grove | Oct 2022 | 6.5K WA residents | HHS |
| Benefit Administrative Systems | Sept 2022 | 6.5K WA residents | 2 sources ▾ |
| Peter J. Isaac, D.O | Nov 2022 | 6.4K WA residents | HHS |
| Delta Dental of Washington | Sept 2022 | 6.4K WA residents | HHS |
| Seattle Children's Hospital | May 2022 | 6.3K WA residents | 2 sources ▾ |
| Oscar Insurance Company of Florida | Jan 2022 | 6.3K WA residents | HHS |
| NR Florida Associates | Dec 2022 | 6.3K WA residents | HHS |
| CVS Pharmacy | Jan 2022 | 6.2K WA residents | 2 sources ▾ |
| New Schryver | Apr 2022 | 6.2K WA residents | 2 sources ▾ |
| Colorado Department of Human Services | Jan 2022 | 6.1K WA residents | HHS |
| Local 295 IBT Employer Group Welfare Fund | Mar 2022 | 6.1K WA residents | HHS |
| Cerebral Medical Group, P.A | Aug 2022 | 6.1K WA residents | HHS |
| Millennium Eye Care | Jan 2022 | 6.1K WA residents | HHS |
| OPEN ARMS ASSISTED LIVING | Jul 2022 | 6K WA residents | HHS |
| Wayne Family Practice Associates | Apr 2022 | 5.9K WA residents | HHS |
| Von Behren & Hunter | Apr 2022 | 5.9K WA residents | HHS |
| Liberty of Oklahoma | Feb 2022 | 5.7K WA residents | HHS |
| NYSARC Columbia County Chapter | Aug 2022 | 5.7K WA residents | HHS |
| Towne Home Care | Feb 2022 | 5.6K WA residents | HHS |
| Platinum Hospitalists | May 2022 | 5.5K WA residents | HHS |
| Extended MLTC | Sept 2022 | 5.5K WA residents | HHS |
| Dermatology & Skin Cancer Center | Nov 2022 | 5.4K WA residents | HHS |
| Sleep Center Hawaii | Dec 2022 | 5.4K WA residents | HHS |
| Sacramento County Adult Correctional Health | Oct 2022 | 5.4K WA residents | HHS |
| IMA Financial | Oct 2022 | 5.2K WA residents | 2 sources ▾ |
| Resource Anesthesiology Associates of CT | Oct 2022 | 5.2K WA residents | HHS |
| Thomas Jefferson University Hospital | Jan 2022 | 5.2K WA residents | HHS |
| County of Los Angeles Department of Mental Health | Apr 2022 | 5.1K WA residents | HHS |
| Healthfirst | May 2022 | 5K WA residents | HHS |
| UNC Lenoir Health Care | Jun 2022 | 5K WA residents | HHS |
| Sherrill House | Jan 2022 | 5K WA residents | HHS |
| Benefit Plan Administrators | Jun 2022 | 5K WA residents | HHS |
| John Knox Village of Florida | May 2022 | 5K WA residents | HHS |
| GATE Petroleum Company Employee Benefits Plan | Nov 2022 | 4.9K WA residents | HHS |
| Raveco Medical | Jan 2022 | 4.9K WA residents | HHS |
| Forest Hill Pediatrics | Oct 2022 | 4.9K WA residents | HHS |
| Nuance Communications | Nov 2022 | 4.8K WA residents | HHS |
| Heart ‘n Home Hospice | Jan 2022 | 4.8K WA residents | HHS |
| Sigmund Software | Oct 2022 | 4.8K WA residents | HHS |
| Indiana Hemophilia and Thrombosis Center | Mar 2022 | 4.8K WA residents | HHS |
| Three Rivers Provider Network | Jun 2022 | 4.7K WA residents | 2 sources ▾ |
| Dr. Scott Heinlein Andrew, DPM | Jul 2022 | 4.7K WA residents | HHS |
| AAA Collections | Dec 2022 | 4.6K WA residents | HHS |
| Patriot Growth Insurance Services | Jul 2022 | 4.6K WA residents | HHS |
| Lehigh Valley Women's Medical Specialties | Nov 2022 | 4.5K WA residents | HHS |
| The Art & Science of Dermatology | Feb 2022 | 4.5K WA residents | HHS |
| Cavender Stores | Jul 2022 | 4.4K WA residents | HHS |
| Virginia Commonwealth University Health System | May 2022 | 4.4K WA residents | HHS |
| Ellen M. Field, M.D | Nov 2022 | 4.4K WA residents | HHS |
| Ballad Health | Apr 2022 | 4.3K WA residents | HHS |
| UMass Memorial Health Care | Feb 2022 | 4.3K WA residents | HHS |
| The Valley Hospital | Oct 2022 | 4.2K WA residents | HHS |
| Resource Anesthesiology Associates of VA | Oct 2022 | 4.2K WA residents | HHS |
| L. Knife & Son | Dec 2022 | 4.1K WA residents | HHS |
| Living Innovations | Aug 2022 | 4K WA residents | HHS |
| Eye Group of Southern Indiana | Mar 2022 | 4K WA residents | HHS |
| Kittitas Valley Healthcare | Feb 2022 | 4K WA residents | HHS |
| Wheeling Health Right | Mar 2022 | 3.9K WA residents | HHS |
| Englewood Health | Feb 2022 | 3.9K WA residents | HHS |
| State of New Jersey Department of Human Services, Division of Medical Assistance and Health Services | Oct 2022 | 3.9K WA residents | HHS |
| Family Fare | Feb 2022 | 3.9K WA residents | HHS |
| EasterSeals-Goodwill of the Northern Rocky Mountains | Sept 2022 | 3.9K WA residents | HHS |
| Titan Health Partners | Nov 2022 | 3.8K WA residents | HHS |
| UW Medicine | Apr 2022 | 3.8K WA residents | 2 sources ▾ |
| Lynbrook Anesthesia Services | Sept 2022 | 3.8K WA residents | HHS |
| Dr. Manaf Ahmad | Jul 2022 | 3.7K WA residents | HHS |
| Montefiore Medical Center | Apr 2022 | 3.7K WA residents | HHS |
| Ad Astra Eye | Apr 2022 | 3.7K WA residents | HHS |
| Centerstone of Tennessee | Sept 2022 | 3.7K WA residents | HHS |
| HealthActions, P.A | Apr 2022 | 3.7K WA residents | HHS |
| DataHEALTH | Jan 2022 | 3.6K WA residents | HHS |
| The Psychology Center | Oct 2022 | 3.6K WA residents | HHS |
| Assurance Health System | Oct 2022 | 3.6K WA residents | HHS |
| The Kelberman Center | Dec 2022 | 3.5K WA residents | HHS |
| Bible Fellowship Church Homes | Feb 2022 | 3.5K WA residents | HHS |
| Quality Behavioral Health | Dec 2022 | 3.5K WA residents | HHS |
| RiverKids Pediatric Home Health | May 2022 | 3.5K WA residents | HHS |
| Abington Memorial Hospital | Jan 2022 | 3.5K WA residents | HHS |
| Independent Case Management | Aug 2022 | 3.3K WA residents | HHS |
| CLARENDON HEALTH AND WELLNESS CENTER | Jun 2022 | 3.3K WA residents | HHS |
| Trillium Health | Sept 2022 | 3.2K WA residents | HHS |
| Docs Medical | Nov 2022 | 3.1K WA residents | HHS |
| 1st Franklin Financial | Nov 2022 | 3K WA residents | 2 sources ▾ |
| Farmville Internal Medicine | Aug 2022 | 3K WA residents | HHS |
| KEMET Electronics | Dec 2022 | 2.9K WA residents | HHS |
| Native American Rehabilitation Association of the Northwest | Oct 2022 | 2.9K WA residents | HHS |
| City of Newport, Rhode Island | Jul 2022 | 2.9K WA residents | HHS |
| Kurilec Eye Care | Jul 2022 | 2.9K WA residents | HHS |
| Kaye-Smith Enterprises | May 2022 | 2.9K WA residents | 2 sources ▾ |
| The Multiple Sclerosis Center of Atlanta | May 2022 | 2.8K WA residents | HHS |
| Mediko | Oct 2022 | 2.8K WA residents | HHS |
| Thomas Allen | Mar 2022 | 2.8K WA residents | HHS |
| Heartland Healthcare Services | Jun 2022 | 2.8K WA residents | HHS |
| Orthopedic Specialists of North America | Jul 2022 | 2.7K WA residents | HHS |
| Yakima Neighborhood Health Services | Oct 2022 | 2.7K WA residents | 2 sources ▾ |
| Kenosha Community Health Center | May 2022 | 2.7K WA residents | HHS |
| Innovative Service Technology Management Services | Jun 2022 | 2.7K WA residents | 2 sources ▾ |
| Fishman Vision | Jun 2022 | 2.6K WA residents | 2 sources ▾ |
| Pynenberg & Scheske DDS,SC | Oct 2022 | 2.6K WA residents | HHS |
| University of Chicago Medical Center | May 2022 | 2.6K WA residents | HHS |
| Cornerstone Services | Jul 2022 | 2.5K WA residents | HHS |
| MaryAnne Freeman Brndjar, DO | Nov 2022 | 2.5K WA residents | HHS |
| Integrative Dentistry | Jul 2022 | 2.5K WA residents | 2 sources ▾ |
| Center for Primary Care | Jul 2022 | 2.4K WA residents | HHS |
| Parmer Medical Center | Jul 2022 | 2.4K WA residents | HHS |
| Deerbrook Cath Lab | Jan 2022 | 2.4K WA residents | HHS |
| Resource Anesthesiology Associates of IN | Oct 2022 | 2.3K WA residents | HHS |
| Bishop Eye Center | Apr 2022 | 2.3K WA residents | HHS |
| Acts Retirement Services | Jul 2022 | 2.2K WA residents | HHS |
| OE Enterprises | May 2022 | 2.2K WA residents | HHS |
| Florida Springs Surgery Center | Aug 2022 | 2.2K WA residents | HHS |
| Keck Medicine of USC | Jan 2022 | 2.2K WA residents | 2 sources ▾ |
| Liberty Healthcare | Jun 2022 | 2.2K WA residents | HHS |
| UCLA Health | Sept 2022 | 2.2K WA residents | HHS |
| Steward Medical | Jul 2022 | 2.2K WA residents | HHS |
| NYC Health + Hospitals | Dec 2022 | 2.2K WA residents | HHS |
| Narragansett Bay Commission | Sept 2022 | 2.2K WA residents | HHS |
| Priority Health | Feb 2022 | 2.1K WA residents | HHS |
| Alta Forest Products Health and Welfare Plan | Oct 2022 | 2.1K WA residents | HHS |
| Texas Medical Liability Trust | Oct 2022 | 2.1K WA residents | 2 sources ▾ |
| Digital Insurance | Jan 2022 | 2.1K WA residents | HHS |
| Pinnacle Claims Management | Jun 2022 | 2K WA residents | 2 sources ▾ |
| Cynthia Paul, M.D | Sept 2022 | 2K WA residents | HHS |
| Healthcare Assistance Plan for Employees of Seventh-day Adventist Organization of the North American Division | May 2022 | 2K WA residents | HHS |
| AdventHealth Medical Group OB GYN at Woodridge | Aug 2022 | 2K WA residents | HHS |
| Bay City Health & Rehabilitation Center | Dec 2022 | 2K WA residents | HHS |
| OceanViews Optical | Nov 2022 | 2K WA residents | HHS |
| Medical Surgical Eye Care | Mar 2022 | 2K WA residents | HHS |
| CellNetix Pathology & Laboratories | Dec 2022 | 2K WA residents | HHS |
| Gainwell Technologies | Mar 2022 | 2K WA residents | HHS |
| NLB | May 2022 | 1.9K WA residents | HHS |
| Arbuckle Memorial Hospital | Jul 2022 | 1.9K WA residents | HHS |
| Help at Home | Jun 2022 | 1.9K WA residents | HHS |
| Somnia | Oct 2022 | 1.9K WA residents | HHS |
| Emory Healthcare | Dec 2022 | 1.9K WA residents | HHS |
| TOTS | Jun 2022 | 1.9K WA residents | HHS |
| MJ Care | Dec 2022 | 1.8K WA residents | HHS |
| Fontainebleau Development Health and Welfare Plan | Oct 2022 | 1.8K WA residents | HHS |
| Mindpath Care Centers, North Carolina | May 2022 | 1.8K WA residents | HHS |
| Vantage | Jan 2022 | 1.8K WA residents | HHS |
| The MetroHealth System | Apr 2022 | 1.7K WA residents | HHS |
| Eastside Pediatrics | Nov 2022 | 1.7K WA residents | HHS |
| Guardian Pharmacy of Cincinnati | May 2022 | 1.7K WA residents | HHS |
| Eventus WholeHealth | Jul 2022 | 1.7K WA residents | HHS |
| Walgreen | Jan 2022 | 1.7K WA residents | HHS |
| Centerstone of Indiana | Aug 2022 | 1.7K WA residents | HHS |
| TennCare | Sept 2022 | 1.7K WA residents | HHS |
| Parkland Community Health Plan | Mar 2022 | 1.7K WA residents | HHS |
| Memorial Community Health | Jun 2022 | 1.7K WA residents | HHS |
| Cheyenne Regional Medical Center | Jul 2022 | 1.7K WA residents | HHS |
| The Sargent’s | Sept 2022 | 1.7K WA residents | HHS |
| DataStat | Aug 2022 | 1.7K WA residents | HHS |
| Health Advantage | Aug 2022 | 1.6K WA residents | HHS |
| Scott County, Iowa | Jul 2022 | 1.6K WA residents | HHS |
| Verisma Systems | Dec 2022 | 1.6K WA residents | HHS |
 Optum | May 2022 | 1.6K WA residents | View breach |
| Rodeo Pharmacy | Jun 2022 | 1.6K WA residents | HHS |
| Dr. Scott B. Klimaj, DMD | Oct 2022 | 1.6K WA residents | HHS |
| Trinity Home Care | Mar 2022 | 1.5K WA residents | HHS |
| Keswick Multi-Care Center | Jul 2022 | 1.5K WA residents | HHS |
| Blue Shield of California | Apr 2022 | 1.5K WA residents | 2 sources ▾ |
| Familylinks | Mar 2022 | 1.5K WA residents | HHS |
| Casco Bay EyeCare, PA | Oct 2022 | 1.4K WA residents | HHS |
| Friend Family Health Center | Oct 2022 | 1.4K WA residents | HHS |
| Summit Healthcare Association | May 2022 | 1.4K WA residents | HHS |
| Dialpad | Nov 2022 | 1.4K WA residents | HHS |
| Medical Mutual of Ohio | Aug 2022 | 1.4K WA residents | HHS |
| Resource Anesthesiology Associates of PA | Nov 2022 | 1.4K WA residents | HHS |
| Methodist Le Bonheur Healthcare | May 2022 | 1.4K WA residents | HHS |
| OrthoWest | Jun 2022 | 1.4K WA residents | HHS |
| TIC International | Mar 2022 | 1.4K WA residents | 2 sources ▾ |
| Sage Counseling Omaha | Oct 2022 | 1.4K WA residents | HHS |
| Zomo Health | Sept 2022 | 1.4K WA residents | HHS |
| Hanger Prosthetics and Orthotics | Dec 2022 | 1.4K WA residents | HHS |
| Southwest Behavioral & Health Services | Aug 2022 | 1.3K WA residents | HHS |
| Burman & Zuckerbrod Ophthalmology Associates | Jun 2022 | 1.3K WA residents | HHS |
| The Mental Health Center of Greater Manchester | Apr 2022 | 1.3K WA residents | HHS |
| Resource Anesthesiology Associates of CA | Nov 2022 | 1.3K WA residents | HHS |
| Blue Cross and Blue Shield of Kansas | Oct 2022 | 1.3K WA residents | HHS |
| Compton & Broomhead Dental Center | Nov 2022 | 1.3K WA residents | HHS |
| Volunteers of America Southwest California | Jan 2022 | 1.3K WA residents | HHS |
| Oscar Buckeye State Insurance | Jan 2022 | 1.3K WA residents | HHS |
| Defense Health Agency | Oct 2022 | 1.3K WA residents | HHS |
| Hudson Regional Hospital | Jun 2022 | 1.3K WA residents | HHS |
| Change Healthcare | Jul 2022 | 1.3K WA residents | HHS |
| CorrHealth | Nov 2022 | 1.2K WA residents | HHS |
| Lutheran Services Carolinas | Apr 2022 | 1.2K WA residents | HHS |
| Polsinelli | Dec 2022 | 1.2K WA residents | HHS |
| Preferred Hospital Leasing Muleshoe | Jul 2022 | 1.2K WA residents | HHS |
| Walworth County, Wisconsin | Jan 2022 | 1.2K WA residents | HHS |
| Cedar Cares | Dec 2022 | 1.2K WA residents | HHS |
| Prowers County Hospital District | Aug 2022 | 1.2K WA residents | HHS |
| Mary Hitchcock Memorial Hospital | Jul 2022 | 1.2K WA residents | HHS |
| ConnectiCare | May 2022 | 1.2K WA residents | HHS |
| Central Florida Cardiology | Apr 2022 | 1.2K WA residents | HHS |
| ProMedica | Jul 2022 | 1.2K WA residents | HHS |
| Prairie Lakes Healthcare System | Dec 2022 | 1.2K WA residents | HHS |
| Preferred Hospital Leasing Coleman | Jul 2022 | 1.2K WA residents | HHS |
| NYU Langone Hospitals | Jan 2022 | 1.1K WA residents | HHS |
| MITCON | Dec 2022 | 1.1K WA residents | HHS |
| Jersey City Medical Center | Feb 2022 | 1.1K WA residents | HHS |
| Grandview Medical Center | Jun 2022 | 1.1K WA residents | HHS |
| Practolytics | Jan 2022 | 1.1K WA residents | HHS |
| River City Insurance | Apr 2022 | 1.1K WA residents | HHS |
| Albany Family Dentistry | Jan 2022 | 1.1K WA residents | HHS |
| Radiation Oncology Centers of the Carolinas | Jul 2022 | 1.1K WA residents | HHS |
| Mountain Area Health Education Center | Apr 2022 | 1.1K WA residents | HHS |
| Kareem Redmond, DDS | Aug 2022 | 1.1K WA residents | HHS |
| Zoe Therapy Services | Feb 2022 | 1.1K WA residents | HHS |
| DaVita | Sept 2022 | 1.1K WA residents | HHS |
| Greater Nashua Mental Health | May 2022 | 1.1K WA residents | HHS |
| Center for a Brighter Tomorrow | Sept 2022 | 1.1K WA residents | HHS |
| Dow Rummel Village | Jul 2022 | 1.1K WA residents | HHS |
| Salusive Health | Apr 2022 | 1.1K WA residents | HHS |
| Specialized Treatment Facility | Aug 2022 | 1.1K WA residents | HHS |
| Washington University School of Medicine | May 2022 | 1.1K WA residents | HHS |
| Georgia Pain and Spine Care | May 2022 | 1.1K WA residents | HHS |
| Blakehurst | Dec 2022 | 1K WA residents | HHS |
| Preferred Hospital Leasing Junction | Jul 2022 | 1K WA residents | HHS |
| Cooper University Health Care | Feb 2022 | 1K WA residents | HHS |
| Select Benefits | Apr 2022 | 1K WA residents | HHS |
| Golden State Dermatology | Jan 2022 | 1K WA residents | HHS |
| One Medical | Aug 2022 | 1K WA residents | HHS |
| OMNI Healthcare | Aug 2022 | 1K WA residents | HHS |
| Jackson Lewis | Jan 2022 | 986 WA residents | 2 sources ▾ |
| Thompson Child & Family Focus | May 2022 | 986 WA residents | HHS |
| Premier Physical Therapy and Sports Performance, Limited Partnership | Oct 2022 | 982 WA residents | HHS |
| University of Miami | Dec 2022 | 973 WA residents | HHS |
| CareSource | Apr 2022 | 959 WA residents | 2 sources ▾ |
| Preferred Hospital Leasing Hemphill | Jul 2022 | 958 WA residents | HHS |
| Shands Teaching Hospitals and Clinics | Sept 2022 | 941 WA residents | HHS |
| Phoenixville Hospital | Jul 2022 | 934 WA residents | HHS |
| University of Kansas Health System | Jun 2022 | 926 WA residents | HHS |
| Arkansas Department of Human Services | Nov 2022 | 925 WA residents | HHS |
| Thomas J. Hubbard, MD | Oct 2022 | 914 WA residents | HHS |
| Catholic Health System | Jun 2022 | 904 WA residents | HHS |
| Robert S Miller, LICSW, ACSW | Dec 2022 | 902 WA residents | 2 sources ▾ |
| Healthcare Collections | Apr 2022 | 900 WA residents | HHS |
| Cypress Healthcare | May 2022 | 899 WA residents | HHS |
| JM Pension Advisory | Apr 2022 | 897 WA residents | HHS |
| Easton Cardiovascular Associates | Nov 2022 | 883 WA residents | HHS |
| Tosoh America | Jun 2022 | 880 WA residents | HHS |
| The Energy Cooperative Group Benefits Plan | Apr 2022 | 875 WA residents | HHS |
| The Rothman Orthopaedic Institute | Jun 2022 | 874 WA residents | HHS |
| Mid-Westchester Anesthesia Services | Oct 2022 | 871 WA residents | HHS |
| LGAA Health Plan | Mar 2022 | 864 WA residents | HHS |
| Sutter North Surgery Center | Feb 2022 | 861 WA residents | 2 sources ▾ |
| The State Psychiatric Hospitals in the New Jersey Department of Health, Division of Behavioral Health Services | Aug 2022 | 850 WA residents | HHS |
| Southern California United Food & Commercial Workers Unions and Food Employers Benefit Fund | Jul 2022 | 850 WA residents | HHS |
| Bronx Addiction Services Integrated Concepts Systems | Feb 2022 | 823 WA residents | HHS |
| State of Arizona Department of Administration | Apr 2022 | 820 WA residents | HHS |
| La Posada at Park Centre | Feb 2022 | 812 WA residents | HHS |
| Regional Women’s Health | Oct 2022 | 804 WA residents | HHS |
| Springfield Clinic | Oct 2022 | 802 WA residents | HHS |
| OneDigital OBO Guardian Life Insurance Company of America | Jan 2022 | 800 WA residents | HHS |
| Navajo County Sheriff's Office | Oct 2022 | 797 WA residents | HHS |
| Spectrum Health System | Apr 2022 | 794 WA residents | HHS |
| Health Insurance Plan of Greater New York | May 2022 | 792 WA residents | HHS |
| Lawson Products | Feb 2022 | 791 WA residents | 2 sources ▾ |
| Bloomington Meadows Hospital | Sept 2022 | 788 WA residents | HHS |
| AllCare Plus Pharmacy | Apr 2022 | 757 WA residents | 2 sources ▾ |
| The Vicksburg Clinic | Jun 2022 | 744 WA residents | HHS |
| Louis A. Johnson Veterans' Administration Medical Center | Dec 2022 | 736 WA residents | HHS |
| Bosselman Energy | Dec 2022 | 735 WA residents | HHS |
| Restorative Arts Physical Therapy | Aug 2022 | 727 WA residents | 2 sources ▾ |
| Homestead Building Systems | Apr 2022 | 727 WA residents | HHS |
| Manassas Surgery Center Anesthesia Services | Nov 2022 | 726 WA residents | HHS |
| Heart of Florida Health Center | Oct 2022 | 721 WA residents | HHS |
| SummaCare | Apr 2022 | 716 WA residents | HHS |
| Celanese Medical PLan | Aug 2022 | 704 WA residents | HHS |
| Preferred Hospital Leasing Van Horn | Jul 2022 | 689 WA residents | HHS |
| Northwestern Medical Center | Aug 2022 | 686 WA residents | HHS |
| Coastal Horizons Center | Oct 2022 | 679 WA residents | HHS |
| Bayshore Brightwaters Rescue Ambulance | Jun 2022 | 679 WA residents | HHS |
| FEDERAL EXPRESS CORPORATION GROUP HEALTH PLAN FOR PILOTS | Sept 2022 | 668 WA residents | HHS |
| Community Association of Progressive Dominicans | Feb 2022 | 656 WA residents | HHS |
| Community Medical Center | Feb 2022 | 630 WA residents | HHS |
| Reid and Riege | Sept 2022 | 610 WA residents | HHS |
| Genetics & IVF Institute | May 2022 | 606 WA residents | HHS |
| Winslow Memorial Hospital | Jun 2022 | 604 WA residents | HHS |
| County of Santa Barbara, Department of Behavioral Wellness | May 2022 | 601 WA residents | HHS |
| Sentara Williamsburg Regional Medical Center | Aug 2022 | 591 WA residents | HHS |
| Independence Blue Cross | Jan 2022 | 591 WA residents | HHS |
| Florida Blue | Feb 2022 | 588 WA residents | HHS |
| Community of Hope D.C | Jun 2022 | 580 WA residents | HHS |
| Mohave County Adult Detention Facility | Oct 2022 | 558 WA residents | HHS |
| Overlake Medical Center & Clinics | Jun 2022 | 557 WA residents | 2 sources ▾ |
| Vanderbilt University Medical Center | Jan 2022 | 556 WA residents | HHS |
| Bonita Springs Retirement Village | Sept 2022 | 554 WA residents | HHS |
| NU House Calls | Nov 2022 | 552 WA residents | HHS |
| Klamath County | Nov 2022 | 547 WA residents | HHS |
| Cooperman Barnabas Medical Center | Feb 2022 | 538 WA residents | HHS |
| Anthem Health Plans of Kentucky | Sept 2022 | 537 WA residents | HHS |
| Julieta Y. Echeverria D.D.S | Mar 2022 | 529 WA residents | 2 sources ▾ |
| University of Arkansas for Medical Sciences | Jan 2022 | 518 WA residents | HHS |
| Oscar Insurance | Jan 2022 | 505 WA residents | HHS |
| Chinese Community Health Plan | Apr 2022 | 502 WA residents | HHS |
| Landmark Holdings of Florida | Sept 2022 | 501 WA residents | HHS |
| The Cooper Health System | Sept 2022 | 500 WA residents | HHS |
| Inline Network Integration | Aug 2022 | 500 WA residents | HHS |
| BJC Health System | May 2022 | 500 WA residents | HHS |
| Health Care Administrative Services | May 2022 | 500 WA residents | HHS |
| North Alabama Bone & Joint Clinic | May 2022 | 500 WA residents | HHS |
| Laboratorio Clínico Caparros | Mar 2022 | 500 WA residents | HHS |
| Sound Health & Wellness Trust c/o Zenith American Solutions | Jun 2022 | 37K WA residents | WA AG |
| MultiCare Health System | May 2022 | 22.7K WA residents | WA AG |
| University of Washington/UW Medicine | May 2022 | 3.7K WA residents | WA AG |
| Medscan Laboratory | Apr 2022 | 3K WA residents | WA AG |
| Quality Behavioral Health | Nov 2022 | 2.8K WA residents | WA AG |
| CellNetix Pathology and Laboratories | Nov 2022 | 1.9K WA residents | WA AG |
| Premera Blue Cross | Apr 2022 | 1.3K WA residents | WA AG |
| Coordinated Care of Washington | Apr 2022 | 1K WA residents | WA AG |
| Humana | May 2022 | 639 WA residents | 2 sources ▾ |
| Lifeline Systems | Jul 2022 | 509 WA residents | 2 sources ▾ |
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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.