Independent public-records tracker. Not a government website.Facts from official state, HHS and SEC filings

Data breaches that exposed medical information (page 2)

Data breaches whose official filings or notice letters list medical information among the information involved: 269 breaches, newest first. Facts come from official filings with US state attorneys general, the U.S. Department of Health and Human Services (HHS) and the SEC; each breach page links its sources.

Updated Oct 21, 2026 · Showing 101–200 of 269

Organization First filed People affected Information exposed Filed with
Casper Orthopedic Associates, PCCasper Orthopedic Associates, PC breach history 56,197
  • Medical information
HHS
Boundary Regional Community Health Center dba Kaniksu Community HealthBoundary Regional Community Health Center breach history 88,000
  • Medical information
HHS
Visiting Nurse Association of TexasVisiting Nurse Association of Texas breach history 28,467
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
Texas AG
Eyemart Express, LLCEyemart Express, LLC breach history 189,450
  • Social Security number
  • Medical information
  • Driver's license
  • +7 more
Texas AG, Washington AG, California AG
Unlimited Technology Systems, LLCUnlimited Technology Systems, LLC breach history 3,836,316
  • Social Security number
  • Medical information
  • Driver's license
  • +8 more
Washington AG, HHS, California AG, Texas AG
One Medical Group, Inc.One Medical Group, Inc. breach history 153,174
  • Medical information
HHS
ZenPatient, Inc.ZenPatient, Inc. breach history 15,750
  • Medical information
  • Passport number
  • Date of birth
  • +2 more
Washington AG, HHS, California AG, Texas AG
The Estée Lauder CompaniesThe Estee Lauder Companies breach history 31,859
  • Social Security number
  • Medical information
  • Passport number
  • +7 more
Washington AG, California AG, Texas AG
Lifespan Physician Group of Massachusetts, Inc. d/b/a Brown Health Medical Group-MALifespan Physician Group of Massachusetts, Inc. breach history 311,760
  • Medical information
HHS
DentaQuest, LLCDentaQuest breach history 15,000,000
  • Social Security number
  • Medical information
  • Health insurance information
  • +4 more
Washington AG, HHS, California AG, Texas AG
Resource Center of Dallas, Inc.Resource Center of Dallas, Inc. breach history 12,490
  • Social Security number
  • Medical information
  • Driver's license
  • +6 more
HHS, Texas AG
Madera Community HospitalMadera Community Hospital breach history 150,810
  • Medical information
HHS, California AG
Heart Care Centers of IllinoisHeart Care Centers of Illinois breach history 52,562
  • Medical information
HHS
Sunshine HealthSunshine Health breach history 41,569
  • Medical information
HHS
Alta Orthopaedics Medical Group, Inc.Alta Orthopaedics Medical Group, Inc. breach history 24,496
  • Social Security number
  • Medical information
  • Driver's license
  • +12 more
HHS, California AG
1Life Healthcare, Inc.1Life Healthcare, Inc. breach history 141,075
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
Washington AG, Texas AG
Markel InsuranceMarkel Insurance breach history 4,220
  • Social Security number
  • Medical information
  • Driver's license
  • +1 more
California AG, Texas AG
AdaptHealth, LLCAdaptHealth, LLC breach history 4,115,802
  • Medical information
  • Health insurance information
  • Date of birth
  • +3 more
SEC, Washington AG, Texas AG, HHS, California AG
Lake Region HealthcareLake Region Healthcare breach history 167,617
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
HHS, Texas AG
Monmouth UniversityMonmouth University breach history 399,600
  • Social Security number
  • Medical information
  • Driver's license
  • +9 more
California AG, Texas AG
Kubota North America CorporationKubota North America Corporation breach history 5,891
  • Social Security number
  • Medical information
  • Driver's license
  • +8 more
California AG, Texas AG
Glucobit, Inc. dba ReframeGlucobit, Inc. breach history 43,902
  • Medical information
  • Name
Washington AG, California AG, Texas AG
Center for Hearing and Speech dba Texas Hearing InstituteCenter for Hearing and Speech breach history 29,638
  • Social Security number
  • Medical information
  • Financial account number
HHS, Texas AG
Medtronic Inc.Medtronic Inc. breach history 3,834,294
  • Social Security number
  • Medical information
  • Date of birth
  • +3 more
Washington AG, California AG, Texas AG
Women’s Center for RadiologyWomen's Center for Radiology breach history 66,422
  • Medical information
HHS
MCBS, LLCMCBS, LLC breach history 1,241,154
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
HHS, California AG, Texas AG
Yellow Corporation and its affiliated debtors and debtors-in-possession under their jointly administered chapter 11 cases (Case No. 23-11069 (Bankr. D. Del. (CTG))Yellow Corporation and its affiliated debtors and debtors-in-possession under their jointly administered chapter 11 cases breach history 258,781
  • Social Security number
  • Medical information
  • Driver's license
  • +7 more
California AG, Texas AG
Blank Rome LLPBlank Rome LLP breach history 57,554
  • Social Security number
  • Medical information
  • Driver's license
  • +11 more
Texas AG, California AG
Operation PAR, Inc.Operation PAR, Inc. breach history 145,714
  • Medical information
HHS
Anatomic and Clinical Laboratory Associates, P.C.Anatomic and Clinical Laboratory Associates, P.C. breach history 169,626
  • Medical information
HHS
Elara CaringElara Caring breach history 22,172
  • Medical information
  • Health insurance information
  • Date of birth
  • +1 more
HHS, Texas AG
Chicago Family Health CenterChicago Family Health Center breach history 90,000
  • Medical information
HHS
Colorado Health Network Inc.Colorado Health Network Inc. breach history 68,212
  • Social Security number
  • Medical information
  • Driver's license
  • +6 more
HHS, Texas AG
Texas Medicaid and Healthcare PartnershipTexas Medicaid and Healthcare Partnership breach history 2,045
  • Social Security number
  • Medical information
  • Driver's license
  • +7 more
HHS, Texas AG
NYC Health + HospitalsNYC Health + Hospitals breach history 58,778
  • Medical information
HHS
Centers Lab NJ LLCCenters Lab NJ LLC breach history 542,377
  • Medical information
HHS
Aitkin County Health and Human ServicesAitkin County Health and Human Services breach history 83,114
  • Medical information
HHS
Blue Fish PediatricsBlue Fish Pediatrics breach history 62,150
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
HHS, Texas AG
Clinical Registry SolutionsClinical Registry Solutions breach history 8,545
  • Medical information
California AG, HHS
Minnesota Epilepsy Group, P.A.Minnesota Epilepsy Group breach history 80,061
  • Medical information
HHS
Gay & Lesbian Community Services Center of Orange County, Inc.Gay & Lesbian Community Services Center of Orange County, Inc. breach history 75,532
  • Medical information
  • Driver's license
  • Financial account number
  • +2 more
Washington AG, HHS, California AG
Sandhills Medical Foundation , Inc.Sandhills Medical Foundation breach history 169,017
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
Texas AG
IMA Diligence Services, LLCIMA Diligence Services, LLC breach history 525,306
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
Texas AG
Networking Technology, Inc.Networking Technology, Inc. breach history 353,844
  • Social Security number
  • Medical information
  • Date of birth
  • +1 more
Washington AG, Texas AG, HHS, California AG
Interstate Management Company, LLCInterstate Management Company, LLC breach history 22,743
  • Social Security number
  • Medical information
  • Financial account number
  • +2 more
California AG, Texas AG
ERMI LLCERMI LLC breach history 74,074
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
HHS, California AG, Texas AG
Barnhart Crane & Rigging Company, Inc.Barnhart Crane & Rigging Company, Inc. breach history 22,822
  • Social Security number
  • Medical information
  • Driver's license
  • +7 more
Washington AG, Texas AG
Radiology Associates of RichmondRadiology Associates of Richmond breach history 266,183
  • Medical information
  • Government ID number
  • Financial account number
  • +1 more
HHS, Texas AG
Cardinal Services, Inc, Cardinal Employer Organization, and Preferred Employer Solutions, collectively (“Cardinal”)Cardinal Services, Inc, Cardinal Employer Organization, and Preferred Employer Solutions, collectively breach history 142,323
  • Social Security number
  • Medical information
  • Driver's license
  • +2 more
California AG, Texas AG
The Beacon Mutual Insurance CompanyThe Beacon Mutual Insurance Company breach history 162,439
  • Social Security number
  • Medical information
  • Health insurance information
  • +1 more
California AG, Texas AG
Lumexa ImagingLumexa Imaging breach history 2,994
  • Social Security number
  • Medical information
  • Health insurance information
  • +2 more
HHS, California AG, Texas AG, Washington AG
US Tiger Securities Inc. (“US Tiger”)US Tiger Securities Inc. breach history 26,985
  • Social Security number
  • Medical information
  • Driver's license
  • +6 more
Washington AG, Texas AG, California AG
Pivot HealthPivot Health breach history 8,391
  • Medical information
  • Financial account number
  • Health insurance information
  • +1 more
HHS, Texas AG
Elara CaringElara Caring breach history 10,490
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
HHS, Texas AG
American Lending CenterAmerican Lending Center breach history 123,158
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
California AG, Washington AG, Texas AG
Berger & Williams, LLPBerger & Williams, LLP breach history 34,153
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
California AG, Texas AG
Western Orthopaedics, P.C.Western Orthopaedics, P.C. breach history 113,330
  • Social Security number
  • Medical information
  • Health insurance information
  • +3 more
HHS, Texas AG
Mt. Spokane PediatricsMt. Spokane Pediatrics breach history 32,021
  • Social Security number
  • Medical information
  • Health insurance information
  • +1 more
Washington AG, HHS
GrayRobinson, P.A.GrayRobinson P.A. breach history 80,383
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
HHS, California AG, Texas AG
Florida Physician SpecialistsFlorida Physician Specialists breach history 276,498
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
HHS, Texas AG
Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center)Harbor Developmental Disabilities Foundation breach history 2,287
  • Medical information
HHS, California AG
Laurel Eye ClinicLaurel Eye Clinic breach history 145,221
  • Medical information
HHS
Innovative Scientific Solutions, LLCInnovative Scientific Solutions, LLC breach history 143,842
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
HHS, Texas AG
Cookeville Regional Medical CenterCookeville Regional Medical Center breach history 337,917
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
Texas AG
Bayside DentalBayside Dental breach history 10,216
  • Social Security number
  • Medical information
  • Health insurance information
  • +1 more
Washington AG, HHS
City Health, a medical corporationCity Health, a medical corporation breach history 65,000
  • Medical information
HHS, California AG
Pediatric Products, LLCPediatric Products, LLC breach history 305,187
  • Medical information
  • Health insurance information
  • Date of birth
  • +1 more
Washington AG, Texas AG, California AG
DermCare ManagementDermCare Management breach history 1,367,176
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
Texas AG
CardioFit Medical Group, Inc.CardioFit Medical Group, Inc. breach history 7,243
  • Medical information
HHS, California AG
TruView BSI, LLCTruView BSI, LLC breach history 20,318
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
California AG, Texas AG
Mercer Advisors Inc.Mercer Advisors Inc. breach history 143,104
  • Social Security number
  • Medical information
  • Driver's license
  • +9 more
Washington AG, California AG, Texas AG
Nacogdoches Memorial Hospital nNacogdoches Memorial Hospital n breach history 2,507,073
  • Medical information
HHS
Erie Family Health CentersErie Family Health Centers breach history 570,000
  • Medical information
HHS
CareCloud, Inc.CareCloud, Inc. breach history 3,756,469
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
SEC, Washington AG, HHS, California AG
AmedisysAmedisys breach history 9,111
  • Medical information
  • Health insurance information
  • Date of birth
  • +3 more
HHS, Texas AG
LHC GroupLHC Group breach history 8,644
  • Medical information
  • Health insurance information
  • Date of birth
  • +3 more
HHS, Texas AG
New York City Health and Hospitals CorporationNew York City Health & Hospitals Corporation breach history 1,800,000
  • Medical information
HHS
Coalesce, LLC dba BenefitelectCoalesce, LLC breach history 29,023
  • Social Security number
  • Medical information
  • Health insurance information
  • +2 more
Texas AG, California AG
Stockton Cardiology Medical GroupStockton Cardiology Medical Group breach history 90,000
  • Medical information
HHS, California AG
Navia Benefit Solutions, Inc.Navia Benefit Solutions, Inc. breach history 2,697,540
  • Social Security number
  • Medical information
  • Date of birth
  • +3 more
Washington AG, HHS, California AG, Texas AG
OpenLoop Health, Inc.OpenLoop Health, Inc. breach history 68,160
  • Medical information
  • Financial account number
  • Date of birth
  • +3 more
HHS, California AG, Texas AG, Washington AG
Business or Organization Name* Cierant CorporationBusiness or Organization Name* Cierant Corporation breach history 390,472
  • Medical information
  • Health insurance information
  • Date of birth
  • +2 more
Texas AG
Insightin Health, Inc.Insightin Health, Inc. breach history 1,777,141
  • Medical information
  • Health insurance information
  • Name
  • +1 more
Texas AG
Ericsson IncEricsson Inc breach history 15,661
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
Texas AG, California AG
Barrio Comprehensive Family Health Care CenterBarrio Comprehensive Family Health Care Center breach history 19,971
  • Medical information
  • Health insurance information
  • Name
HHS, Texas AG
North Texas Behavioral Health AuthorityNorth Texas Behavioral Health Authority breach history 284,885
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
HHS, Texas AG
Tieu Dental CorporationTieu Dental Corporation breach history 8,918
  • Medical information
HHS, California AG
Insightin Health, Inc.Insightin Health, Inc. breach history At least 11,740
  • Medical information
  • Health insurance information
  • Date of birth
  • +1 more
Washington AG, California AG
Lakeside Pediatrics & Adolescent Medicine, PLLCLakeside Pediatrics & Adolescent Medicine, PLLC breach history 34,154
  • Social Security number
  • Medical information
  • Health insurance information
  • +2 more
Washington AG, HHS
Pyramid Advisors Limited Partnership d/b/a Pyramid Global HospitalityPyramid Advisors Limited Partnership breach history 139,899
  • Social Security number
  • Medical information
  • Driver's license
  • +5 more
Washington AG, California AG, Texas AG
Couve Healthcare Consulting, LLC DBA Evergreen Healthcare GroupCouve Healthcare Consulting, LLC breach history 11,795
  • Medical information
HHS, California AG
QualDerm Partners, LLCQualDerm Partners, LLC breach history 3,117,874
  • Medical information
  • Health insurance information
  • Date of birth
  • +2 more
HHS, Washington AG, California AG, Texas AG
SitusAMC Holdings CorporationSitusAMC Holdings Corporation breach history 662,701
  • Social Security number
  • Medical information
  • Driver's license
  • +7 more
Washington AG, California AG, Texas AG
TAK Broadband LLCTAK Broadband LLC breach history 20,648
  • Social Security number
  • Medical information
  • Driver's license
  • +4 more
California AG, Texas AG
ApolloMD Business Services, LLCApolloMD Business Services, LLC breach history 626,540
  • Medical information
HHS
UA Sprinkler Fitters Local 669 Joint Apprenticeship and Training Committee (“JATC”)UA Sprinkler Fitters Local 669 Joint Apprenticeship and Training Committee breach history 20,623
  • Social Security number
  • Medical information
  • Driver's license
  • +3 more
California AG, Texas AG
Vikor Scientific, LLCVikor Scientific, LLC breach history 139,964
  • Medical information
  • Financial account number
  • Health insurance information
  • +2 more
Washington AG, HHS, California AG
TriZetto Provider SolutionsTriZetto Provider Solutions breach history 6,974,232
  • Social Security number
  • Medical information
  • Financial account number
  • +5 more
Washington AG, HHS, California AG, Texas AG
Wakefield & Associates, LLCWakefield & Associates, LLC breach history 31,751
  • Medical information
HHS, California AG
Fried, Frank, Harris, Shriver & Jacobson LLPFried, Frank, Harris, Shriver & Jacobson LLP breach history 179,613
  • Social Security number
  • Medical information
  • Driver's license
  • +7 more
Washington AG, California AG, Texas AG

People affected is the official total from a filing, or “At least” the sum of state filings where no total was filed. Spotted an error? Report a correction.