HHS OCR report ยท 2021
Grand River Medical Group data breach
OCR report facts
- Covered entity
- Grand River Medical Group
- Entity type
- Healthcare Provider
- State
- Iowa
- Individuals affected
- 37,423
- Submission date
- Feb 12, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Grand River Medical Group, the covered entity (CE), reported that an employee was the victim of an email phishing attack that compromised the protected health information (PHI) of 37,423 individuals. The PHI involved included names, addresses, Social Security numbers, dates of birth, claims information, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, the media, and provided complimentary credit monitoring services. In response to the breach,...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Grand River Medical Group data breach?
The report to HHS OCR lists 37,423 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 12, 2021.
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 Grand River 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 Grand River Medical Group.