HHS OCR report ยท 2021
University Medical Center of Southern Nevada data breach
OCR report facts
- Covered entity
- University Medical Center of Southern Nevada
- Entity type
- Healthcare Provider
- State
- Nevada
- Individuals affected
- 1,300,000
- Submission date
- Aug 13, 2021
- 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), University Medical Center of Southern Nevada, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 1,300,000 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, financial information, diagnoses, lab results, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach the C...
Text as published on the HHS OCR breach portal.
Other reports by University Medical Center of Southern Nevada
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| University Medical Center of Southern Nevada | NV | Healthcare Provider | 1,221 | Mar 28, 2026 | Unauthorized Access/Disclosure | Under investigation |
| University Medical Center of Southern Nevada | NV | Healthcare Provider | 1,861 | Nov 17, 2022 | Unauthorized Access/Disclosure | Archive (closed) |
| University Medical Center of Southern Nevada | NV | Healthcare Provider | 12,230 | Feb 24, 2022 | Hacking/IT Incident | Archive (closed) |
| University Medical Center of Southern Nevada | NV | Healthcare Provider | 1,833 | Mar 31, 2021 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the University Medical Center of Southern Nevada data breach?
The report to HHS OCR lists 1,300,000 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 13, 2021.
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 University Medical Center of Southern Nevada 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 University Medical Center of Southern Nevada.