HHS OCR report ยท 2025
Baltimore Medical System, Inc. data breach
Baltimore Medical System, Inc., a healthcare provider in Massachusetts, reported a breach affecting 501 individuals to HHS OCR on Dec 12, 2025.
OCR report facts
- Covered entity
- Baltimore Medical System, Inc.
- Entity type
- Healthcare Provider
- State
- Massachusetts
- Individuals affected
- 501
- Submission date
- Dec 12, 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 Baltimore Medical System, Inc. data breach?
The report to HHS OCR lists 501 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 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?
Yes. The OCR portal lists this report as under investigation.
Is a breach notice letter from Baltimore Medical 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 Baltimore Medical System, Inc..