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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 2 of 16. 786 reports.

HIPAA breach reports from the HHS OCR Breach Portal
Covered entityEntity typeIndividualsSubmittedType of breachStatus
Pit River Health Service Inc.Healthcare Provider1,800Jan 6, 2026Hacking/IT IncidentUnder investigation
Indian Health Center of Santa Clara ValleyHealthcare Provider3,276Jan 5, 2026Hacking/IT IncidentArchive (closed)
Asian Americans for Community InvolvementHealthcare Provider521Jan 5, 2026Hacking/IT IncidentArchive (closed)
One Community HealthHealthcare Provider4,309Jan 2, 2026Hacking/IT IncidentArchive (closed)
Gold Coast Health PlanHealth Plan540Dec 30, 2025Hacking/IT IncidentArchive (closed)
Mendocino Community Health Clinic Inc.Healthcare Provider3,538Dec 29, 2025Hacking/IT IncidentArchive (closed)
Docs Medical Group, Inc. dba Pulse Urgent CareHealthcare Provider4,035Dec 28, 2025Hacking/IT IncidentUnder investigation
Share OurselvesHealthcare Provider2,864Dec 26, 2025Hacking/IT IncidentArchive (closed)
Gardner Health ServicesHealthcare Provider6,197Dec 22, 2025Unauthorized Access/DisclosureArchive (closed)
Mission Neighborhood Health CenterHealthcare Provider3,741Dec 19, 2025Hacking/IT IncidentArchive (closed)
North East Medical ServicesHealthcare Provider91,513Dec 18, 2025Hacking/IT IncidentUnder investigation
Friends of Family Health CenterHealthcare Provider2,256Dec 16, 2025Hacking/IT IncidentArchive (closed)
Centric HealthHealthcare Provider6,855Dec 10, 2025Hacking/IT IncidentUnder investigation
Jewish Family and Community Services- East BayHealthcare Provider987Dec 10, 2025Hacking/IT IncidentArchive (closed)
CerenadeBusiness Associate1,697Nov 30, 2025Hacking/IT IncidentArchive (closed)
Archer HealthHealthcare Provider4,285Nov 6, 2025Hacking/IT IncidentUnder investigation
Expert MRIHealthcare Provider209,560Oct 31, 2025Hacking/IT IncidentUnder investigation
Beverly Hills Oncology Medical GroupHealthcare Provider57,655Oct 31, 2025Hacking/IT IncidentUnder investigation
Michael R. Schwartz, MD Inc.Healthcare Provider9,809Oct 23, 2025Hacking/IT IncidentUnder investigation
Roots, Inc.Healthcare Provider2,000Oct 10, 2025Unauthorized Access/DisclosureArchive (closed)
Vibra Hospital of Sacramento, LLCHealthcare Provider620Oct 3, 2025Hacking/IT IncidentArchive (closed)
Blue Shield of CaliforniaHealth Plan93,921Sep 29, 2025Unauthorized Access/DisclosureArchive (closed)
Belkorp Ag, LLCHealth Plan942Sep 29, 2025Hacking/IT IncidentArchive (closed)
Blue Shield of CaliforniaBusiness Associate607Sep 29, 2025Unauthorized Access/DisclosureArchive (closed)
Valley RadiologyHealthcare Provider1,166Sep 25, 2025Hacking/IT IncidentUnder investigation
Reimagine NetworkHealthcare Provider4,799Aug 29, 2025Hacking/IT IncidentUnder investigation
Pacific Imaging Management, LLCHealthcare Provider13,158Aug 25, 2025Hacking/IT IncidentUnder investigation
Welcome Dentistry-AnaheimHealthcare Provider1,001Aug 15, 2025Hacking/IT IncidentUnder investigation
Welcome Dentistry-Los AngelesHealthcare Provider1,001Aug 13, 2025Hacking/IT IncidentUnder investigation
Altos IncBusiness Associate6,414Aug 11, 2025Hacking/IT IncidentArchive (closed)
Altos IncBusiness Associate2,700Aug 11, 2025Hacking/IT IncidentArchive (closed)
Altos IncBusiness Associate2,366Aug 11, 2025Hacking/IT IncidentArchive (closed)
Altos IncBusiness Associate1,634Aug 11, 2025Hacking/IT IncidentArchive (closed)
Altos IncBusiness Associate1,520Aug 11, 2025Hacking/IT IncidentArchive (closed)
Altos IncBusiness Associate1,011Aug 11, 2025Hacking/IT IncidentArchive (closed)
Altos IncBusiness Associate882Aug 11, 2025Hacking/IT IncidentArchive (closed)
Mission City Community Network, Inc.Healthcare Provider11,016Aug 9, 2025Hacking/IT IncidentUnder investigation
Friesen GroupHealthcare Provider500Aug 8, 2025Hacking/IT IncidentArchive (closed)
South Coast PediatricsHealthcare Provider7,000Aug 5, 2025Hacking/IT IncidentUnder investigation
Valley Mountain Regional CenterBusiness Associate529Jul 25, 2025Unauthorized Access/DisclosureArchive (closed)
Boutin JonesBusiness Associate1,506Jul 21, 2025Hacking/IT IncidentArchive (closed)
Blue Shield of CaliforniaHealth Plan783Jul 21, 2025Unauthorized Access/DisclosureArchive (closed)
Regional Center of the East BayHealthcare Provider689Jul 9, 2025Unauthorized Access/DisclosureArchive (closed)
California Cancer Associates for Research and Excellence - High DesertHealthcare Provider17,250Jun 27, 2025Hacking/IT IncidentArchive (closed)
Radiation Oncology Network of Southern California, LLCHealthcare Provider12,944Jun 27, 2025Hacking/IT IncidentArchive (closed)
California Cancer Associates for Research and Excellence - FresnoHealthcare Provider7,670Jun 27, 2025Hacking/IT IncidentArchive (closed)
Mojave Radiation Oncology Medical GroupHealthcare Provider4,403Jun 27, 2025Hacking/IT IncidentArchive (closed)
Golden State Radiation OncologyHealthcare Provider2,130Jun 27, 2025Hacking/IT IncidentArchive (closed)
Orange County Radiation Oncology Medical GroupHealthcare Provider1,911Jun 27, 2025Hacking/IT IncidentArchive (closed)
California Cancer Associates for Research and Excellence - San DiegoHealthcare Provider638Jun 27, 2025Hacking/IT IncidentArchive (closed)

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