HHS OCR report ยท 2021
Prominence Health Plan data breach
OCR report facts
- Covered entity
- Prominence Health Plan
- Entity type
- Health Plan
- State
- Nevada
- Individuals affected
- 45,380
- Submission date
- Jun 18, 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), Prominence Health Plan, reported that its business associate (BA) suffered a cyber-attack that affected the electronic protected health information (ePHI) of approximately 45,380 individuals. The ePHI involved included names, addresses, dates of birth, health insurance information, claim codes, and other treatment information. The CE notified HHS, affected individuals, and the media. The CE also provided affected individuals with a dedicated phone number for question...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Prominence Health Plan data breach?
The report to HHS OCR lists 45,380 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jun 18, 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 Prominence Health Plan 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 Prominence Health Plan.