HHS OCR report ยท 2017
McLaren Medical Group, Mid-Michigan Physicians Imaging Center data breach
OCR report facts
- Covered entity
- McLaren Medical Group, Mid-Michigan Physicians Imaging Center
- Entity type
- Healthcare Provider
- State
- Michigan
- Individuals affected
- 106,008
- Submission date
- Aug 24, 2017
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), McLaren Medical Group, Mid-Michigan Physicians Imaging Center, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 106,008 individuals. The PHI involved included names, dates of birth, addresses, phone numbers, diagnoses, and Social Security numbers. The CE notified HHS, the affected individuals, and the media. In its mitigation efforts, the CE implemented additional administrative, technical and security safeguards t...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the McLaren Medical Group, Mid-Michigan Physicians Imaging Center data breach?
The report to HHS OCR lists 106,008 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 24, 2017.
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 McLaren Medical Group, Mid-Michigan Physicians Imaging Center 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 McLaren Medical Group, Mid-Michigan Physicians Imaging Center.