HHS OCR report ยท 2025
Artemis Healthcare Inc. data breach
OCR report facts
- Covered entity
- Artemis Healthcare Inc.
- Entity type
- Healthcare Provider
- State
- Tennessee
- Individuals affected
- 45,867
- Submission date
- Dec 23, 2025
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Artemis Healthcare, the covered entity (CE), reported that it experienced a ransomware attack that affected the protected health information (PHI) of 45,867 individuals. The PHI included clinical, demographic and financial information. The CE notified HHS, the affected individuals, the media and posted substitute notice on its website. In its mitigation efforts, the CE implemented additional technical, administrative and security safeguards, including hiring a third-party managed service p...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Artemis Healthcare Inc. data breach?
The report to HHS OCR lists 45,867 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 23, 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 Artemis Healthcare 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 Artemis Healthcare Inc..