HHS OCR report ยท 2026
MCS, P.C. data breach
MCS, P.C., a business associate in Maryland, reported a breach affecting 3,478 individuals to HHS OCR on Feb 2, 2026.
OCR report facts
- Covered entity
- MCS, P.C.
- Entity type
- Business Associate
- State
- Maryland
- Individuals affected
- 3,478
- Submission date
- Feb 2, 2026
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- Yes
- Status
- Archive (closed)
Frequently asked questions
How many people were affected by the MCS, P.C. data breach?
The report to HHS OCR lists 3,478 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 2, 2026.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email.
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 MCS, P.C. 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 MCS, P.C..