HHS OCR report ยท 2023
West Anaheim Medical Center data breach
OCR report facts
- Covered entity
- West Anaheim Medical Center
- Entity type
- Healthcare Provider
- State
- California
- Individuals affected
- 1,166
- Submission date
- Nov 29, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
West Anaheim Medical Center, the covered entity (CE), reported that its business associate (BA) experienced a cyber-attack that compromised the protected health information (PHI) of 1,166 individuals. The PHI involved included names, Social Security numbers, addresses, birthdates, and other treatment information. In its mitigation efforts, the CE provided complimentary credit monitoring services and the CE and BA implemented additional administrative, technical, and security safeguards.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the West Anaheim Medical Center data breach?
The report to HHS OCR lists 1,166 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Nov 29, 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 West Anaheim Medical Center 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 West Anaheim Medical Center.