HHS OCR report · 2025
Horizon Behavioral Health data breach
OCR report facts
- Covered entity
- Horizon Behavioral Health
- Entity type
- Healthcare Provider
- State
- Virginia
- Individuals affected
- 49,303
- Submission date
- Apr 21, 2025
- 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), Horizon Behavioral Health, reported that it experienced a ransomware incident that affected the protected heath information (PHI) of 49,303 individuals. The PHI involved included names, dates of birth, social security numbers, drivers’ license numbers, diagnoses, medications, and claims information. The CE notified HHS, affected individuals, the media, and posted substitute notice to its website. In response to the breach, the CE offered free credit monitoring to affe...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Horizon Behavioral Health data breach?
The report to HHS OCR lists 49,303 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 Horizon Behavioral Health 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 Horizon Behavioral Health.