HHS OCR report ยท 2023
California Department of Health Care Services data breach
OCR report facts
- Covered entity
- California Department of Health Care Services
- Entity type
- Health Plan
- State
- California
- Individuals affected
- 6,460
- Submission date
- Mar 14, 2023
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Paper/Films
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The California Department of Health Care Services, the covered entity (CE), reported that its business associate (BA) mailed the protected health information (PHI) of 6,460 individuals to the wrong recipients. The PHI involved included names, birthdates, Social Security numbers, addresses, and clinical information. The CE notified HHS, affected individuals, and the media. In response to this incident, the CE and BA implemented additional administrative, technical, and security safeguards to b...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the California Department of Health Care Services data breach?
The report to HHS OCR lists 6,460 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 14, 2023.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Paper/Films.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from California Department of Health Care Services legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or California Department of Health Care Services.