HHS OCR report ยท 2026
University of Michigan Health Plan data breach
OCR report facts
- Covered entity
- University of Michigan Health Plan
- Entity type
- Health Plan
- State
- Michigan
- Individuals affected
- 2,315
- Submission date
- Feb 26, 2026
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), University of Michigan Health Plan, reported that a workforce member inadvertently sent the protected health information (PHI) of approximately 2,315 individuals to an unauthorized individual. The PHI involved names, dates of birth, and treatment information. The CE notified HHS and the affected individuals. OCR provided technical assistance regarding the HIPAA Rules.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the University of Michigan Health Plan data breach?
The report to HHS OCR lists 2,315 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 26, 2026.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Email.
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 of Michigan 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 University of Michigan Health Plan.