HHS OCR report ยท 2024
CHCM, Inc. dba College Hospital Costa Mesa data breach
OCR report facts
- Covered entity
- CHCM, Inc. dba College Hospital Costa Mesa
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 38,695
- Submission date
- Dec 18, 2024
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), CHCM, Inc. dba College Hospital Costa Mesa, reported that it experienced a hacking incident that affected the protected health information (PHI) of 38,695 individuals. The PHI involved included demographic and clinical information. The CE notified HHS, affected individuals, the media, and provided individuals with free credit monitoring. In response to the breach, the CE implemented new technical safeguards.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the CHCM, Inc. dba College Hospital Costa Mesa data breach?
The report to HHS OCR lists 38,695 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 18, 2024.
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 CHCM, Inc. dba College Hospital Costa Mesa 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 CHCM, Inc. dba College Hospital Costa Mesa.