HHS OCR report · 2024
Mountain Valley Regional Rehabilitation Hospital data breach
OCR report facts
- Covered entity
- Mountain Valley Regional Rehabilitation Hospital
- Entity type
- Healthcare Provider
- State
- Arizona
- Individuals affected
- 5,963
- Submission date
- Mar 29, 2024
- 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), Mountain Valley Regional Rehabilitation Hospital reported that it experienced a ransomware incident that affected the protected health information (PHI) of 5,963 individuals. The PHI involved included names, dates of birth, Social Security and drivers’ license numbers, addresses, claims information, medications, diagnoses/conditions, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In r...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Mountain Valley Regional Rehabilitation Hospital data breach?
The report to HHS OCR lists 5,963 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 29, 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 Mountain Valley Regional Rehabilitation Hospital 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 Mountain Valley Regional Rehabilitation Hospital.