HHS OCR report · 2025
Union Health System, Inc. data breach
OCR report facts
- Covered entity
- Union Health System, Inc.
- Entity type
- Healthcare Provider
- State
- Indiana
- Individuals affected
- 262,831
- Submission date
- Apr 21, 2025
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Union Health System, reported that it’s business associate (BA) experienced a hacking attack that compromised the protected health information (PHI) of 262,831 individuals. The PHI involved included names, addresses, drivers’ license and Social Security numbers, diagnoses/conditions, lab results and medications. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit mon...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Union Health System, Inc. data breach?
The report to HHS OCR lists 262,831 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Apr 21, 2025.
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 Union Health System, Inc. 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 Union Health System, Inc..