HHS OCR report ยท 2025
Munson Healthcare data breach
OCR report facts
- Covered entity
- Munson Healthcare
- Entity type
- Healthcare Provider
- State
- Michigan
- Individuals affected
- 1,186
- Submission date
- Sep 17, 2025
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Paper/Films
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Munson Healthcare, reported that an employee mailed the protected health information (PHI) of 1,186 individuals to the wrong recipients. The PHI involved included clinical and financial information. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE implemented additional administrative, technical, and security safeguards, and retrained workforce members to better protect its PHI.
Text as published on the HHS OCR breach portal.
Other reports by Munson Healthcare
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Munson Healthcare | MI | Healthcare Provider | 75,202 | Feb 26, 2020 | Hacking/IT Incident | Archive (closed) |
Frequently asked questions
How many people were affected by the Munson Healthcare data breach?
The report to HHS OCR lists 1,186 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 17, 2025.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Paper/Films.
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 Munson Healthcare 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 Munson Healthcare.