261 healthcare data breaches in 2013
Every breach of health information in 2013, 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 |
|---|---|---|---|
 Advocate Health and Hospitals | Aug 2013 | 4M WA residents | HHS |
| AHMC Healthcare | Oct 2013 | 729K WA residents | 2 sources ▾ |
| St. Joseph Health System | Dec 2013 | 405K WA residents | 2 sources ▾ |
| Beacon Health System | Nov 2013 | 306.8K WA residents | 2 sources ▾ |
| Shred-it International | Jul 2013 | 277K WA residents | HHS |
| Digital Archive Management | May 2013 | 189.5K WA residents | HHS |
| RCR Technology | Jul 2013 | 187.5K WA residents | HHS |
| UW Medicine, Privacy Manager | Nov 2013 | 76.2K WA residents | HHS |
| L.A. Gay & Lesbian Center | Dec 2013 | 59K WA residents | HHS |
| Stanford School of Medicine & LP Children Hosp, Privacy Manager Breach | Jan 2013 | 56.5K WA residents | HHS |
| Kaiser Foundation Hospital- Orange County | Nov 2013 | 49K WA residents | HHS |
| Methodist Dallas Medical Center | Dec 2013 | 44K WA residents | HHS |
| Froedtert Health | Feb 2013 | 43.5K WA residents | HHS |
| Martin Luther King Jr. Health Center | Oct 2013 | 37K WA residents | HHS |
| M2ComSys | Aug 2013 | 32.2K WA residents | HHS |
| Cogent Healthcare | May 2013 | 32K WA residents | 2 sources ▾ |
| The University of Texas MD Anderson Cancer Center | Jan 2013 | 29K WA residents | HHS |
| Health Plus Amerigroup | Mar 2013 | 28.2K WA residents | HHS |
| InfoCrossing | Aug 2013 | 25.5K WA residents | HHS |
| AssuranceMD | May 2013 | 22K WA residents | HHS |
| Harris County | Jul 2013 | 21K WA residents | HHS |
| Lee D. Pollan, DMD | Jan 2013 | 19.2K WA residents | HHS |
| Terrell County Health Department | Feb 2013 | 18K WA residents | HHS |
| Walgreen | Dec 2013 | 17.4K WA residents | HHS |
| Raleigh Orthopaedic Clinic | Apr 2013 | 17.3K WA residents | HHS |
| Kmart Pharmacy #7623 | Jan 2013 | 17K WA residents | HHS |
| ZDI | Apr 2013 | 14.8K WA residents | HHS |
| University of Florida | Apr 2013 | 14.5K WA residents | HHS |
| Triple S Salud | Nov 2013 | 13.3K WA residents | HHS |
| Lucile Packard Childrens Hospital, Privacy Manager Breach | Jun 2013 | 12.9K WA residents | HHS |
| Kmart | Apr 2013 | 12.5K WA residents | HHS |
| New Mexico Oncology Hematology Consultants | Dec 2013 | 12.4K WA residents | HHS |
| United HomeCare Services | Mar 2013 | 12.3K WA residents | HHS |
| Wyoming Department of Health | Dec 2013 | 11.9K WA residents | HHS |
| DaVita | Nov 2013 | 11.5K WA residents | HHS |
| Bronx Lebanon Hospital Center | Oct 2013 | 10.9K WA residents | HHS |
| Rotech Healthcare | Oct 2013 | 10.7K WA residents | HHS |
| Indiana University Health Arnett | May 2013 | 10.4K WA residents | HHS |
| Region Ten Community Services Board | Sept 2013 | 10.2K WA residents | HHS |
| Olson & White Orthodontics | Sept 2013 | 10K WA residents | HHS |
| Elbowoods Memorial Health Center | Aug 2013 | 10K WA residents | HHS |
| Dent Neurologic Institute | May 2013 | 10K WA residents | HHS |
| E-dreamz | May 2013 | 10K WA residents | HHS |
| Holy Cross Hospital | Sept 2013 | 9.9K WA residents | HHS |
| New Jersey Department of Human Services | Nov 2013 | 9.8K WA residents | HHS |
| Gulf Breeze Family Eyecare | Jun 2013 | 9.6K WA residents | HHS |
| City of Norwood | May 2013 | 9.6K WA residents | HHS |
| United Dynacare | Nov 2013 | 9.3K WA residents | HHS |
| Barry University | Dec 2013 | 9K WA residents | HHS |
| RR Donnelley | Jan 2013 | 8.9K WA residents | 2 sources ▾ |
| HealthCare for Women | Mar 2013 | 8.7K WA residents | HHS |
| Stronghold Counseling Services | Feb 2013 | 8.5K WA residents | HHS |
| Health Net | Apr 2013 | 8.3K WA residents | 2 sources ▾ |
| University of California San Francisco | Sept 2013 | 8.3K WA residents | 2 sources ▾ |
| South Shore Physicians | Sept 2013 | 8K WA residents | HHS |
| Lutheran Social Services of South Central Pennsylvania | May 2013 | 7.8K WA residents | HHS |
| Hospice of the Chesapeake | Nov 2013 | 7.6K WA residents | HHS |
| Wm. Jennings Bryan Dorn VAMC | Apr 2013 | 7.4K WA residents | HHS |
| Iowa Department of Human Services | Jun 2013 | 7.3K WA residents | HHS |
| Associated Urologists of North Carolina | Nov 2013 | 7.3K WA residents | HHS |
| Clearpoint Design | Jan 2013 | 7.3K WA residents | HHS |
| BlackHawk | Oct 2013 | 7.1K WA residents | HHS |
| Louisiana State University Health Care Services Division | Jul 2013 | 7K WA residents | HHS |
| HOPE Family Health | Sept 2013 | 6.9K WA residents | HHS |
| Patterson Dental Supply/Patterson Companies | Mar 2013 | 6.4K WA residents | HHS |
| Catoctin Dental/Richard B. Love, D.D.S., P.A | Feb 2013 | 6.4K WA residents | HHS |
| Goold Health System | Mar 2013 | 6.3K WA residents | HHS |
| M&C Children's Clinic PA | Mar 2013 | 6.3K WA residents | HHS |
| Superior HealthPlan | Nov 2013 | 6.3K WA residents | HHS |
| Greater Dallas Orthopaedics | Oct 2013 | 5.8K WA residents | HHS |
| Center for Pain Management | Feb 2013 | 5.8K WA residents | HHS |
| Bon Secours Mary Immaculate Hospital | May 2013 | 5.8K WA residents | HHS |
| Foundations Recovery Network | Jun 2013 | 5.7K WA residents | 2 sources ▾ |
| Seton Healthcare Family | Oct 2013 | 5.5K WA residents | HHS |
| Anthem BCBS of GA | Aug 2013 | 5.5K WA residents | HHS |
| Just the Connection | May 2013 | 5.4K WA residents | HHS |
| Hospice and Palliative Care Center of Alamance Caswell | Apr 2013 | 5.4K WA residents | HHS |
| TSYS Employee Health Plan | Oct 2013 | 5.2K WA residents | HHS |
| Jacksonville Spine Center | Jun 2013 | 5.2K WA residents | HHS |
| The Good Samaritan Health Center | Dec 2013 | 5K WA residents | HHS |
| PHMHS | Sept 2013 | 5K WA residents | HHS |
| Northside Hospital | Dec 2013 | 4.9K WA residents | HHS |
| Health Fitness | Nov 2013 | 4.8K WA residents | HHS |
| Sheet Metal Local 36 Welfare Fund | Jul 2013 | 4.6K WA residents | HHS |
| PruittHealth | Dec 2013 | 4.5K WA residents | HHS |
| Sutter Health East Bay Region | Jun 2013 | 4.5K WA residents | 2 sources ▾ |
| Florida Digestive Health Specialists | Dec 2013 | 4.4K WA residents | HHS |
| Healthcare Management System | Oct 2013 | 4.3K WA residents | HHS |
| CVS Caremark | Jul 2013 | 4.3K WA residents | HHS |
| NHC HealthCare, Oak Ridge | Sept 2013 | 4.3K WA residents | HHS |
| NHC HealthCare, Mauldin | Sept 2013 | 4.2K WA residents | HHS |
| HomeCare of Mid-Missouri | Feb 2013 | 4K WA residents | HHS |
| Ferris State University MI College of Optometry | Oct 2013 | 3.9K WA residents | HHS |
| Mosaic | Dec 2013 | 3.9K WA residents | HHS |
| Good Samaritan Hospital | Oct 2013 | 3.8K WA residents | HHS |
| Allina Health | Nov 2013 | 3.8K WA residents | HHS |
| Arizona Counseling & Treatment Services | May 2013 | 3.8K WA residents | HHS |
| TMG Health | Apr 2013 | 3.8K WA residents | HHS |
| Florida Healthy Kids | Feb 2013 | 3.7K WA residents | HHS |
| Eureka Internal Medicine | Sept 2013 | 3.5K WA residents | 2 sources ▾ |
| Sarah Benjamin, DPM | Sept 2013 | 3.5K WA residents | HHS |
| Comprehensive Psychological Services | Nov 2013 | 3.5K WA residents | HHS |
| DeLoach & Williamson | Dec 2013 | 3.4K WA residents | HHS |
| Thomas L. Davis, Jr. DDS | Mar 2013 | 3.3K WA residents | HHS |
| Riderwood Village | Jan 2013 | 3.2K WA residents | HHS |
| North Texas Comprehensive Spine & Pain Center | Aug 2013 | 3.2K WA residents | HHS |
| SynerMed | Apr 2013 | 3.2K WA residents | 2 sources ▾ |
| Illinois Department of Healthcare and Family Services | Jul 2013 | 3.1K WA residents | HHS |
| Family Health Network | Jul 2013 | 3.1K WA residents | HHS |
| Schneck Medical Center | Apr 2013 | 3.1K WA residents | HHS |
| St. Louis University | Oct 2013 | 3.1K WA residents | HHS |
| WOMENS HEALTH ENTERPRISE | Feb 2013 | 3K WA residents | HHS |
| Long Beach Memorial Medical Center | Jul 2013 | 2.9K WA residents | HHS |
| Molina Healthcare of Texas | Nov 2013 | 2.8K WA residents | HHS |
| Schuylkill Health System LVHN | Oct 2013 | 2.8K WA residents | HHS |
| Colby DeHart | Dec 2013 | 2.8K WA residents | HHS |
| Medtronic | Jul 2013 | 2.8K WA residents | HHS |
| Erskine Family Dentistry | May 2013 | 2.7K WA residents | HHS |
| The Brookdale Hospital and Medical Center | Jul 2013 | 2.7K WA residents | HHS |
| Hansen and Associates | Jul 2013 | 2.7K WA residents | HHS |
| St. Anthony's Physician Organization | Aug 2013 | 2.6K WA residents | HHS |
| Granger Medical Clinic | Mar 2013 | 2.6K WA residents | HHS |
| Paul G. Klein, DPM | Oct 2013 | 2.5K WA residents | HHS |
| Wood County Hospital | May 2013 | 2.5K WA residents | HHS |
| Children's Medical Center of Dallas | Jul 2013 | 2.5K WA residents | HHS |
| Independence Care System | May 2013 | 2.4K WA residents | HHS |
| QuickRunner | Mar 2013 | 2.4K WA residents | HHS |
| Community Services NW | Feb 2013 | 2.4K WA residents | HHS |
| Western Wisconsin Medical Association, S.C | Jan 2013 | 2.4K WA residents | HHS |
| PORTAL HEALTHCARE SOLUTIONS | Apr 2013 | 2.4K WA residents | HHS |
| Florida Department of Health | Dec 2013 | 2.4K WA residents | HHS |
| Reconstructive Orthopaedic Associates II | Oct 2013 | 2.4K WA residents | HHS |
| Sutter Medical Foundation | Apr 2013 | 2.3K WA residents | 2 sources ▾ |
| Reimbursement Technologies | Oct 2013 | 2.3K WA residents | HHS |
| Memorial Sloan-Kettering Cancer Center | Nov 2013 | 2.3K WA residents | HHS |
| Standard Register | Mar 2013 | 2.3K WA residents | HHS |
| Samaritan Regional Health System | Jul 2013 | 2.2K WA residents | HHS |
| Hankyu Chung, M.D | Jun 2013 | 2.2K WA residents | 2 sources ▾ |
| James A. Fosnaugh | Jun 2013 | 2.1K WA residents | HHS |
| Rite Aid #10217 | Mar 2013 | 2.1K WA residents | HHS |
| City of Chicago | Nov 2013 | 2.1K WA residents | HHS |
| Young Family Medicine | Aug 2013 | 2K WA residents | HHS |
| Kemmet Dental Design | Nov 2013 | 2K WA residents | HHS |
| Lone Star Circle of Care | Jun 2013 | 2K WA residents | HHS |
| Maine Medical Center | Mar 2013 | 1.9K WA residents | HHS |
| Health Resources of Arkansas | May 2013 | 1.9K WA residents | HHS |
| Shiloh Medical Clinic | Dec 2013 | 1.9K WA residents | HHS |
| SIU HealthCare | Dec 2013 | 1.9K WA residents | HHS |
| Vitreo-Retinal Medical | Jun 2013 | 1.8K WA residents | 2 sources ▾ |
| UnityPoint Health Affiliated | Oct 2013 | 1.8K WA residents | HHS |
| Heyman HospiceCare at Floyd | Feb 2013 | 1.8K WA residents | HHS |
| Group Health | Jan 2013 | 1.8K WA residents | HHS |
| Tranquility Counseling Services | Dec 2013 | 1.7K WA residents | HHS |
| Connextions c/o Anthem BCBS | Mar 2013 | 1.7K WA residents | HHS |
| UMASSAmherst | Jun 2013 | 1.7K WA residents | HHS |
| Mount Sinai Medical Center | Mar 2013 | 1.6K WA residents | HHS |
| Laboratory | May 2013 | 1.6K WA residents | HHS |
| Quality Health Claims Consultants | Dec 2013 | 1.6K WA residents | HHS |
| Hope Community Resources | Oct 2013 | 1.6K WA residents | HHS |
| Walla Walla VA Medical Center | Dec 2013 | 1.5K WA residents | HHS |
| Jones Chiropractic and Maximum Health | Nov 2013 | 1.5K WA residents | HHS |
| Janna Benkelman LPC | Sept 2013 | 1.5K WA residents | HHS |
| Molina Healthcare In | Dec 2013 | 1.5K WA residents | HHS |
| University of Nevada School of Medicine | Jan 2013 | 1.5K WA residents | HHS |
| Jackson Health System | Feb 2013 | 1.5K WA residents | HHS |
| All Source Medical Management | Nov 2013 | 1.5K WA residents | HHS |
| The Guidance Center of Westchester | Apr 2013 | 1.4K WA residents | HHS |
| Rob Meaglia, DDS | Dec 2013 | 1.4K WA residents | HHS |
| Pousson Family Dentistry | Jan 2013 | 1.4K WA residents | HHS |
| Hancock OB/GYN | Aug 2013 | 1.4K WA residents | HHS |
| Sonoma Valley Hospital | Feb 2013 | 1.4K WA residents | 2 sources ▾ |
| University of Connecticut Health Center | Mar 2013 | 1.4K WA residents | HHS |
| Coast Healthcare Management | Feb 2013 | 1.4K WA residents | HHS |
| Oregon Health & Science University | Mar 2013 | 1.4K WA residents | HHS |
| Comprehensive Podiatry | Sept 2013 | 1.4K WA residents | HHS |
| Missouri Department of Social Services | Aug 2013 | 1.4K WA residents | HHS |
| North Carolina Department of Health and Human Services | Nov 2013 | 1.3K WA residents | HHS |
| California Department of Developmental Services, Privacy Manager Breach | Jan 2013 | 1.3K WA residents | HHS |
| CaroMont Medical | Oct 2013 | 1.3K WA residents | HHS |
| UHS-Pruitt | Nov 2013 | 1.3K WA residents | HHS |
| ICS Collection Service | Sept 2013 | 1.3K WA residents | HHS |
| UPMC | Nov 2013 | 1.3K WA residents | HHS |
| Sports Rehabilitation Consultants | Mar 2013 | 1.2K WA residents | HHS |
| Intervention Services | Feb 2013 | 1.2K WA residents | HHS |
| WAYNE MEMORIAL HOSPITAL | Jan 2013 | 1.2K WA residents | HHS |
| Regional Medical Center | May 2013 | 1.2K WA residents | HHS |
| Genesis Rehabilitation Services | Nov 2013 | 1.2K WA residents | HHS |
| Community Support Services | Jun 2013 | 1.2K WA residents | HHS |
| Union Security Insurance | Jun 2013 | 1.1K WA residents | HHS |
| Washington University School of Medicine | Jan 2013 | 1.1K WA residents | HHS |
| LifeGas | Feb 2013 | 1.1K WA residents | HHS |
| Barnabas Health Medical | Nov 2013 | 1.1K WA residents | HHS |
| Fayetteville VAMC | Jun 2013 | 1.1K WA residents | HHS |
| BriovaRx | Oct 2013 | 1.1K WA residents | HHS |
| Redwood Memorial Hospital | Nov 2013 | 1K WA residents | HHS |
| California Correctional Health Care Services | Jun 2013 | 1K WA residents | 2 sources ▾ |
| Shands Jacksonville Medical Center | Apr 2013 | 1K WA residents | HHS |
| Group Health Cooperative | Oct 2013 | 1K WA residents | HHS |
| Sierra View District Hospital | Sept 2013 | 1K WA residents | HHS |
| California Correctional Health Care Services, Privacy Manager Breach | Jul 2013 | 1K WA residents | HHS |
| American Anesthesiology | Dec 2013 | 1K WA residents | HHS |
| Yadkinville Chiropractic DCPA | Feb 2013 | 1K WA residents | HHS |
| Dreyer Medical Clinic | Sept 2013 | 998 WA residents | HHS |
| Broward Health Medical Center | Oct 2013 | 960 WA residents | HHS |
| Lincoln County Health and Human Services/Lincoln Community Health Center | Jun 2013 | 959 WA residents | HHS |
| Ronald Schubert MD | Nov 2013 | 950 WA residents | HHS |
| Texas Health Presbyterian Dallas Hospital | Oct 2013 | 949 WA residents | HHS |
| Rite Aid #2255 | Jul 2013 | 948 WA residents | HHS |
| Baylor All Saints Medical Center at Fort Worth | Aug 2013 | 940 WA residents | HHS |
| Summit Community Care Clinic | Aug 2013 | 921 WA residents | HHS |
| Dermatology Associates of Tallahassee | Sept 2013 | 915 WA residents | HHS |
| South Florida Neurology Associates, P.A | Jul 2013 | 900 WA residents | HHS |
| Palm Beach County Health Department | Jun 2013 | 877 WA residents | HHS |
| Silverberg Surgical and Medical | Sept 2013 | 857 WA residents | 2 sources ▾ |
| IHC Health Services | Apr 2013 | 857 WA residents | HHS |
| SilverScript Insurance | Jan 2013 | 852 WA residents | HHS |
| California Pacific Medical Center | Oct 2013 | 845 WA residents | 2 sources ▾ |
| South Miami Hospital | Mar 2013 | 834 WA residents | HHS |
| Jeff Spiegel | Dec 2013 | 832 WA residents | HHS |
| Hope Hospice | Apr 2013 | 818 WA residents | HHS |
| Jesle Kuizon | Jul 2013 | 800 WA residents | HHS |
| ABQ HealthPartners | Feb 2013 | 778 WA residents | HHS |
| Seattle | May 2013 | 750 WA residents | HHS |
| BlueCross BlueShield of Western New York | Jan 2013 | 725 WA residents | HHS |
| Kindred Transitional Care and Rehabilitation | Feb 2013 | 716 WA residents | HHS |
| GEO Care | Jul 2013 | 710 WA residents | HHS |
| Valley Mental Health | Apr 2013 | 700 WA residents | HHS |
| Texas Tech Unversity Health Sciences Center | Mar 2013 | 697 WA residents | HHS |
| Blue Cross and Blue Shield of North Carolina | Nov 2013 | 687 WA residents | HHS |
| County of San Bernardino, Department of Behavioral Health | Feb 2013 | 686 WA residents | HHS |
| Alberto Gerardo Vazquez Rivera | Jun 2013 | 679 WA residents | HHS |
| Baptist Health System | Jan 2013 | 678 WA residents | HHS |
| Atlanta Center for Reproductive Medicine | Aug 2013 | 654 WA residents | HHS |
| Colorado Health & Wellness | Nov 2013 | 651 WA residents | HHS |
| Kaiser Foundation Health Plan of the Northwest | Sept 2013 | 647 WA residents | HHS |
| Medical Mutual of Ohio | Dec 2013 | 643 WA residents | HHS |
| WorkflowOne | Jan 2013 | 635 WA residents | HHS |
| SSM Health Care of Wisconsin | Oct 2013 | 631 WA residents | HHS |
| Sunil Kakar, Psy.D | Mar 2013 | 629 WA residents | HHS |
| MED-EL Coproration | Jul 2013 | 609 WA residents | HHS |
| Rose Medical Center | Oct 2013 | 606 WA residents | HHS |
| Spirit Home Health Care | Oct 2013 | 603 WA residents | HHS |
| UT Physicians | Aug 2013 | 596 WA residents | HHS |
| John J. Pershing VA Medical Center | Apr 2013 | 589 WA residents | HHS |
| Santa Clara Valley Medical Center | Sept 2013 | 579 WA residents | 2 sources ▾ |
| Access Counseling | Oct 2013 | 566 WA residents | HHS |
| Texas Health Care, P | Apr 2013 | 554 WA residents | HHS |
| North Country Hospital and Health Center | Oct 2013 | 550 WA residents | HHS |
| North Atlantic Telecom | May 2013 | 539 WA residents | HHS |
| University of Rochester Medical Center | May 2013 | 537 WA residents | HHS |
| Health Help | Dec 2013 | 535 WA residents | HHS |
| Rocky Mountain Spine Clinic | Jul 2013 | 532 WA residents | HHS |
| Lancaster General Medical | Mar 2013 | 527 WA residents | HHS |
| Carol L Patrick Ph. D | Sept 2013 | 517 WA residents | HHS |
| Arizona Oncology | Feb 2013 | 501 WA residents | HHS |
| University of Mississippi Medical Center | Mar 2013 | 500 WA residents | HHS |
| Plexus | Mar 2013 | 500 WA residents | HHS |
| West Georgia Ambulance | Feb 2013 | 500 WA residents | HHS |
| Kennewick Public Hospital District | Oct 2013 | 942 WA residents | WA AG |
| The Lifetime Healthcare Companies | Dec 2013 | – WA residents | WA AG |
| Valperaiso Fire Department | Sept 2013 | – WA residents | HHS |
No 2013 healthcare breach matches that.
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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.