HHS OCR report · 2023
Community Health Group data breach
OCR report facts
- Covered entity
- Community Health Group
- Entity type
- Health Plan
- State
- California
- Individuals affected
- 824
- Submission date
- Feb 28, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
Community Health Group, the covered entity (CE), reported that its business associate (BA) experienced a ransomware attack that affected the protected health information (PHI) of 824 individuals. The PHI involved included names, dates of birth, drivers’ license and Social Security numbers, state/tribal identification numbers, and medical information and health insurance information. The CE notified HHS; the BA notified affected individuals and the media. In response to the breach, the BA prov...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Community Health Group data breach?
The report to HHS OCR lists 824 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 28, 2023.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
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 Community Health Group 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 Community Health Group.