HHS OCR report · 2023
Valley Mountain Regional Center data breach
OCR report facts
- Covered entity
- Valley Mountain Regional Center
- Entity type
- Business Associate
- State
- California
- Individuals affected
- 126,679
- Submission date
- Sep 29, 2023
- 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), Valley Mountain Regional Center, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 126,679 individuals. The PHI involved included names, addresses, birthdates, Social Security and drivers’ license numbers, and diagnoses. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE updated its administrative and technical safeguards. OCR provided technical assistance regarding the ...
Text as published on the HHS OCR breach portal.
Other reports by Valley Mountain Regional Center
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Valley Mountain Regional Center | CA | Business Associate | 529 | Jul 25, 2025 | Unauthorized Access/Disclosure | Archive (closed) |
| Valley Mountain Regional Center | CA | Business Associate | 17,197 | Nov 9, 2021 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the Valley Mountain Regional Center data breach?
The report to HHS OCR lists 126,679 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 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 Valley Mountain Regional 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 Valley Mountain Regional Center.