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University of Michigan/Michigan Medicine

ArchivedSubmitted 08/13/2025
State
MI
Covered entity type
Healthcare Provider
Individuals affected
1,015
Business associate present
No
Type of breach
Unauthorized Access/Disclosure
Location of breached information
Paper/Films
First seen by InfoSec Signals
9/23/2026
Last seen in OCR export
9/23/2026

OCR description

The covered entity (CE), University of Michigan, reported that an employee mailed a postcard which exposed the protected health information (PHI) of 1,015 individuals. The PHI involved included names, addresses, and diagnoses/conditions. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative and technical safeguards to better protect PHI. Staff were retrained.

Change history

  • 9/23/2026Added to OCR's archive list

Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.