HHS OCR report ยท 2025
Cookeville Regional Medical Center data breach
OCR report facts
- Covered entity
- Cookeville Regional Medical Center
- Entity type
- Healthcare Provider
- State
- Tennessee
- Individuals affected
- 500
- Submission date
- Sep 12, 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), Cookeville Regional Medical Center, reported that it experienced a cyberattack that affected the protected health information (PHI) of 337,917 individuals. The PHI involved included clinical, demographic, and financial information. The CE notified HHS and the affected individuals. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Cookeville Regional Medical Center data breach?
The report to HHS OCR lists 500 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 12, 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 Cookeville Regional Medical Center 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 Cookeville Regional Medical Center.