HHS OCR report ยท 2011
Mountain Vista Medical Center data breach
OCR report facts
- Covered entity
- Mountain Vista Medical Center
- Entity type
- Healthcare Provider
- State
- Arizona
- Individuals affected
- 2,291
- Submission date
- Feb 21, 2011
- Type of breach
- Loss
- Location of breached information
- Other, Other Portable Electronic Device
- Business associate present
- No
- Status
- Archive (closed)
OCR description
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Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Mountain Vista Medical Center data breach?
The report to HHS OCR lists 2,291 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 21, 2011.
What type of breach was it?
The OCR portal lists the type of breach as Loss, with the breached information located in: Other, Other Portable Electronic Device.
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 Vista 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 Mountain Vista Medical Center.