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HHS OCR breach portal data

HIPAA breach tracker: healthcare data breaches reported to HHS

Every breach of unsecured protected health information affecting 500 or more individuals reported to HHS OCR, newest first. Data from the OCR export October 2026; latest submission Sep 30, 2026.

8,024 reports, 1,094,628,651 individuals affected. Page 35 of 161. Clear filters

HIPAA breach reports from the HHS OCR Breach Portal
Covered entityStateEntity typeIndividualsSubmittedType of breachStatus
Ascension HealthMOHealthcare Provider5,466,931Jul 3, 2024Hacking/IT IncidentArchive (closed)
Palomar Health Medical GroupCAHealthcare Provider1,140,221Jul 3, 2024Hacking/IT IncidentArchive (closed)
DaVita Inc.COHealthcare Provider67,443Jul 3, 2024Unauthorized Access/DisclosureArchive (closed)
Maryville, Inc.NJHealthcare Provider24,827Jul 3, 2024Hacking/IT IncidentArchive (closed)
Patented Acquisition CorporationOHBusiness Associate12,787Jul 3, 2024Hacking/IT IncidentArchive (closed)
Aultman HospitalOHHealthcare Provider6,892Jul 3, 2024Hacking/IT IncidentArchive (closed)
Sheet Metal Workers Local Union #83 Insurance Fund and Annuity FundNYHealth Plan2,184Jul 3, 2024Hacking/IT IncidentArchive (closed)
Regional Obstetrical Consultants PCTNHealthcare Provider25,650Jul 2, 2024Hacking/IT IncidentUnder investigation
Atlanta Perinatal Consultants, LLPGAHealthcare Provider1,508Jul 2, 2024Hacking/IT IncidentArchive (closed)
Marana Health Center, Inc.AZHealth Plan542Jul 2, 2024Unauthorized Access/DisclosureArchive (closed)
Human Technology Inc., and its affiliatesTNHealthcare Provider24,580Jul 1, 2024Hacking/IT IncidentArchive (closed)
AmeriHealth Caritas DelawareDEHealth Plan2,823Jul 1, 2024Hacking/IT IncidentArchive (closed)
Core Dental HealthTNHealthcare Provider2,349Jul 1, 2024Hacking/IT IncidentArchive (closed)
SkinCure OncologyILBusiness Associate13,434Jun 28, 2024Hacking/IT IncidentArchive (closed)
Georgia Kidney Associates, Inc.GAHealthcare Provider9,940Jun 28, 2024TheftArchive (closed)
Mass General Brigham Health PlanMAHealth Plan3,659Jun 28, 2024Unauthorized Access/DisclosureArchive (closed)
Mass General Brigham IncorporatedMAHealthcare Provider655Jun 28, 2024Unauthorized Access/DisclosureArchive (closed)
Ann & Robert H. Lurie Children's Hospital of ChicagoILHealthcare Provider775,860Jun 27, 2024Hacking/IT IncidentArchive (closed)
Samaritan Health Services, Inc.ORHealthcare Provider1,296Jun 27, 2024Unauthorized Access/DisclosureArchive (closed)
Kairos Health Arizona, Inc.AZBusiness Associate14,435Jun 26, 2024Unauthorized Access/DisclosureArchive (closed)
Mayfield Dental Arts LLCOHHealthcare Provider3,318Jun 26, 2024Unauthorized Access/DisclosureArchive (closed)
Providence Mission Heritage EndocrinologyCAHealthcare Provider1,875Jun 26, 2024Unauthorized Access/DisclosureArchive (closed)
MD Now Medical Centers, Inc.FLHealthcare Provider150,560Jun 25, 2024Hacking/IT IncidentArchive (closed)
The Mount Kisco Surgery Center LLC d/b/a The Ambulatory Surgery Center of WestchesterNYHealthcare Provider22,139Jun 25, 2024Hacking/IT IncidentArchive (closed)
Memorial Sloan Kettering Cancer CenterNYHealthcare Provider12,274Jun 25, 2024Hacking/IT IncidentArchive (closed)
GeisingerPAHealthcare Provider1,276,026Jun 21, 2024Unauthorized Access/DisclosureArchive (closed)
Texas Retina AssociatesTXHealthcare Provider312,867Jun 21, 2024Hacking/IT IncidentArchive (closed)
Ambulnz Holdings, LLCNYHealthcare Provider43,773Jun 21, 2024Hacking/IT IncidentArchive (closed)
County of Los Angeles Department of Health ServicesCAHealthcare Provider41,444Jun 21, 2024Hacking/IT IncidentArchive (closed)
Aultman HospitalOHHealthcare Provider26,206Jun 21, 2024Hacking/IT IncidentArchive (closed)
Wisconsin Department of Health ServicesWIHealthcare Provider19,150Jun 21, 2024Hacking/IT IncidentArchive (closed)
The Lash Group, LLCPABusiness Associate15,196Jun 21, 2024Hacking/IT IncidentArchive (closed)
Altoona Logan Township Mobile Medical Emergency Department AuthorityPAHealthcare Provider6,169Jun 21, 2024Hacking/IT IncidentArchive (closed)
Pinnacle Orthopaedics & Sports Medicine Specialists LLCGAHealthcare Provider1,100Jun 21, 2024Hacking/IT IncidentArchive (closed)
Mobile Medical Response, Inc.MIHealthcare Provider700Jun 21, 2024TheftArchive (closed)
Access Sports Medicine & OrthopaedicsNHHealthcare Provider88,044Jun 20, 2024Hacking/IT IncidentArchive (closed)
Carroll County Memorial HospitalMOHealthcare Provider7,021Jun 18, 2024Hacking/IT IncidentArchive (closed)
Zwanger-Pesiri RadiologyNYHealthcare Provider985Jun 18, 2024Unauthorized Access/DisclosureArchive (closed)
Radiology and Imaging SpecialistsFLHealthcare Provider37,210Jun 17, 2024Hacking/IT IncidentArchive (closed)
OB GYN Specialists of Lima IncOHHealthcare Provider1,241Jun 17, 2024Improper DisposalArchive (closed)
Consulting Radiologists LTD.MNHealthcare Provider583,824Jun 14, 2024Hacking/IT IncidentArchive (closed)
Neurobehavioral Medicine Consultants, P.C.OHHealthcare Provider18,182Jun 14, 2024Hacking/IT IncidentArchive (closed)
Walmart Inc.ARHealthcare Provider1,267Jun 14, 2024Unauthorized Access/DisclosureArchive (closed)
Kaiser Foundation Health Plan of NorthwestORHealth Plan578Jun 14, 2024Unauthorized Access/DisclosureArchive (closed)
Heart South Cardiovascular GroupALHealthcare Provider20,577Jun 13, 2024Hacking/IT IncidentArchive (closed)
Aptihealth, Inc.NYHealthcare Provider19,805Jun 12, 2024Hacking/IT IncidentArchive (closed)
Benefit Management LLCKSBusiness Associate8,777Jun 12, 2024Hacking/IT IncidentArchive (closed)
IBEW LOCAL 236 WELFARE FUNDCTHealth Plan3,217Jun 11, 2024Hacking/IT IncidentArchive (closed)
WAREHOUSE EMPLOYEES LOCAL 169 CONTRIBUTING EMPLOYERS HEALTH & WELFARE FUNDPAHealth Plan1,061Jun 11, 2024Hacking/IT IncidentArchive (closed)
ASBESTOS WORKERS LOCAL 42 WELFARE PLANGAHealth Plan520Jun 11, 2024Hacking/IT IncidentArchive (closed)

See also healthcare data breach statistics, breaches by state and how to read the OCR breach portal.

Frequently asked questions

What is a healthcare data breach?

Under HIPAA, a breach is generally an impermissible use or disclosure of protected health information that compromises its security or privacy. Covered entities must report breaches affecting 500 or more individuals to HHS, and those reports appear on the HHS OCR breach portal and in this tracker. See what is a HIPAA breach.