HHS OCR report ยท 2020
Community Medical Centers data breach
OCR report facts
- Covered entity
- Community Medical Centers
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 43,667
- Submission date
- Sep 11, 2020
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Community Medical Centers, reported that its business associate experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 43,667 individuals. The ePHI involved included names, addresses, telephone numbers, email addresses, birthdates, and clinical information, The CE notified HHS, affected individuals, the media, and provided substitute notice.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Community Medical Centers data breach?
The report to HHS OCR lists 43,667 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 11, 2020.
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 Medical Centers 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 Medical Centers.