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Regulator-posted notice

Breach notice filed by Grand River Medical Group (February 2021)

Organization named: Grand River Medical Group Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS Office for Civil Rights breach portal with a submission date of Feb. 12, 2021.

Organization as reported
Grand River Medical Group, IA
Entity type as reported
Healthcare Provider
Category as reported
Hacking/IT Incident
Location of information as reported
Email
Submission date
Feb. 12, 2021
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 12354, row:3493)
Archived copy
Held in the private archive (provenance)

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, the CE strengthened its technical safeguards and retrained its staff on email security. OCR provided the CE with technical assistance regarding its HIPAA Security Rule obligations.

The source's own words, from the revision above.

Figures, per source

  • 37,423 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Feb. 12, 2021, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date (HHS Office for Civil Rights breach portal)
  • Observed by BreachRecords (revision 12354)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Grand River Medical Group Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

  • 3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
    text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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