HHS OCR report · 2016
North Ottawa Medical Group data breach
OCR report facts
- Covered entity
- North Ottawa Medical Group
- Entity type
- Healthcare Provider
- State
- Michigan
- Individuals affected
- 22,000
- Submission date
- Jun 9, 2016
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
North Ottawa Medical Group (NOMG), the covered entity discovered that its business associate (BA), Bizmatics had suffered a breach incident. The servers, which contained protected health information (PHI) were hacked. Bizmatics was aware of the intrusion in late 2015. Bizmatics informed NOMG that there was no evidence that NOMG’s medical records were affected by the breach. However, at NOMG’s request, Bizmatics submitted a breach report to OCR. NOMG submitted to OCR a copy of its Busines...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the North Ottawa Medical Group data breach?
The report to HHS OCR lists 22,000 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Jun 9, 2016.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, 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 North Ottawa Medical Group 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 North Ottawa Medical Group.