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CA ยท HHS OCR reports

HIPAA breaches in California

HIPAA breaches affecting 500 or more individuals reported to HHS OCR by covered entities listed in California.

Reports

786

Individuals affected

79,958,213

Under investigation

56

Top type: Hacking/IT Incident

State breach notification law

This state has 2 separate breach notification statutes

Timing: Without unreasonable delay California requires government agencies to notify in the most expedient

Read the California data breach notification law summary

All reports, newest first

Page 3 of 16. 786 reports.

HIPAA breach reports from the HHS OCR Breach Portal
Covered entityEntity typeIndividualsSubmittedType of breachStatus
Blue Shield of CaliforniaBusiness Associate673Jun 23, 2025Unauthorized Access/DisclosureUnder investigation
Los Angeles County Developmental Services Fdn., Inc. dba Frank D. Lanterman Regional Ctr.Healthcare Provider19,000Jun 20, 2025Hacking/IT IncidentUnder investigation
AltaMed Health Services CorporationHealthcare Provider4,530Jun 13, 2025Unauthorized Access/DisclosureUnder investigation
Imperial Beach Community ClinicHealthcare Provider10,358Jun 12, 2025Hacking/IT IncidentUnder investigation
Episource, LLCBusiness Associate6,725,572Jun 6, 2025Hacking/IT IncidentUnder investigation
Sharp Community Medical GroupHealthcare Provider26,976Jun 6, 2025Hacking/IT IncidentArchive (closed)
Blue Shield of CaliforniaBusiness Associate1,543Jun 6, 2025Unauthorized Access/DisclosureUnder investigation
Sharp HealthCareHealthcare Provider500Jun 6, 2025Hacking/IT IncidentArchive (closed)
Serviceaide, Inc.Business Associate483,126May 9, 2025Unauthorized Access/DisclosureArchive (closed)
Sonrisas Dental HealthHealthcare Provider15,644May 2, 2025Hacking/IT IncidentArchive (closed)
Berkeley Research Group, LLCBusiness Associate500Apr 30, 2025Hacking/IT IncidentUnder investigation
Palo Verde HospitalHealthcare Provider42,962Apr 24, 2025Hacking/IT IncidentArchive (closed)
Icon Family Healthcare LLCHealthcare Provider1,800Apr 22, 2025Unauthorized Access/DisclosureUnder investigation
The City of Long Beach, CAHealthcare Provider258,191Apr 14, 2025Hacking/IT IncidentArchive (closed)
Altior Healthcare, LLCHealthcare Provider1,002Apr 11, 2025Hacking/IT IncidentUnder investigation
Blue Shield of CaliforniaBusiness Associate4,700,000Apr 9, 2025Unauthorized Access/DisclosureArchive (closed)
California Correctional Health Care ServicesHealthcare Provider4,105Apr 9, 2025Unauthorized Access/DisclosureArchive (closed)
Hebrew Home for Aged Disabled d/b/a San Francisco Campus for Jewish LivingHealthcare Provider2,568Apr 7, 2025Hacking/IT IncidentArchive (closed)
Dameron HospitalHealthcare Provider210,706Apr 2, 2025Hacking/IT IncidentUnder investigation
Gilead Sciences, Inc.Health Plan12,224Apr 2, 2025Unauthorized Access/DisclosureArchive (closed)
Gardner Health ServicesHealthcare Provider26,000Apr 1, 2025Unauthorized Access/DisclosureArchive (closed)
MedRevenu, LLCBusiness Associate17,775Mar 21, 2025Hacking/IT IncidentUnder investigation
Vision Upright MRIHealthcare Provider23,031Mar 10, 2025Unauthorized Access/DisclosureArchive (closed)
SCLARCBusiness Associate722Mar 6, 2025TheftUnder investigation
Kronick Moskovitz Tiedemann & GirardBusiness Associate2,511Feb 28, 2025Hacking/IT IncidentUnder investigation
Blue Shield of CaliforniaHealth Plan624Feb 28, 2025Unauthorized Access/DisclosureArchive (closed)
PIH Health, Inc.Healthcare Provider2,947,264Jan 31, 2025Hacking/IT IncidentUnder investigation
Han Van Duong M.D. IncHealthcare Provider1,571Jan 14, 2025TheftArchive (closed)
Newport Harbor Pathology Medical Group, Inc.Healthcare Provider119,341Jan 10, 2025Hacking/IT IncidentArchive (closed)
North Los Angeles County Regional CenterBusiness Associate298,629Jan 6, 2025Hacking/IT IncidentArchive (closed)
Watsonville Community HospitalHealthcare Provider30,312Dec 31, 2024Hacking/IT IncidentUnder investigation
Pacific Pulmonary Medical GroupHealthcare Provider12,723Dec 31, 2024Hacking/IT IncidentArchive (closed)
Dignity Health Lassen Medical ClinicHealthcare Provider64,946Dec 23, 2024Hacking/IT IncidentArchive (closed)
Word & Brown Insurance Administrators, Inc.Business Associate3,223Dec 23, 2024Hacking/IT IncidentArchive (closed)
CHCM, Inc. dba College Hospital Costa MesaHealthcare Provider38,695Dec 18, 2024Hacking/IT IncidentArchive (closed)
SAG-AFTRA Health PlanHealth Plan98,474Dec 2, 2024Hacking/IT IncidentArchive (closed)
Pinnacle Claims ManagementBusiness Associate1,119Nov 21, 2024Hacking/IT IncidentArchive (closed)
Humboldt Independent Practice Association (Humboldt IPA)Healthcare Provider26,353Nov 11, 2024Hacking/IT IncidentUnder investigation
Kaiser Foundation HospitalsHealthcare Provider44,600Nov 1, 2024Hacking/IT IncidentArchive (closed)
Stanislaus County Behavioral Health and Recovery ServicesHealth Plan767Oct 24, 2024Unauthorized Access/DisclosureArchive (closed)
Wilmington Community ClinicHealthcare Provider11,601Oct 11, 2024Hacking/IT IncidentUnder investigation
Omni Family HealthHealthcare Provider468,344Oct 4, 2024Hacking/IT IncidentArchive (closed)
DAP Health, Inc.Healthcare Provider129,048Sep 24, 2024Hacking/IT IncidentArchive (closed)
Welcome HealthHealthcare Provider597Sep 6, 2024Hacking/IT IncidentArchive (closed)
County of Los Angeles Department of Mental HealthHealthcare Provider2,334Sep 5, 2024Hacking/IT IncidentArchive (closed)
Catholic Charities CYO of The Archdiocese of San FranciscoHealthcare Provider7,486Aug 30, 2024Hacking/IT IncidentArchive (closed)
Pomona Community Health Center dba ParkTree Community Health CenterHealthcare Provider40,964Aug 21, 2024Hacking/IT IncidentArchive (closed)
Vasinda's Around the Clock Care dba ATC Home CareHealthcare Provider30,819Aug 16, 2024Hacking/IT IncidentArchive (closed)
Baker Places, Inc.Business Associate971Aug 16, 2024Hacking/IT IncidentArchive (closed)
Turning Point of Central California, Inc.Healthcare Provider53,737Aug 9, 2024Hacking/IT IncidentArchive (closed)

Source: HHS OCR Breach Portal, OCR export October 2026.