HHS OCR report ยท 2025
Mainline Health Systems Inc data breach
Mainline Health Systems Inc, a healthcare provider in Arkansas, reported a breach affecting 101,104 individuals to HHS OCR on Jun 23, 2025.
OCR report facts
- Covered entity
- Mainline Health Systems Inc
- Entity type
- Healthcare Provider
- State
- Arkansas
- Individuals affected
- 101,104
- Submission date
- Jun 23, 2025
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Under investigation
Frequently asked questions
How many people were affected by the Mainline Health Systems Inc data breach?
The report to HHS OCR lists 101,104 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jun 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?
Yes. The OCR portal lists this report as under investigation.
Is a breach notice letter from Mainline Health Systems 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 Mainline Health Systems Inc.