HHS OCR report ยท 2022
Medical Mutual of Ohio data breach
OCR report facts
- Covered entity
- Medical Mutual of Ohio
- Entity type
- Health Plan
- State
- Ohio
- Individuals affected
- 1,377
- Submission date
- Aug 17, 2022
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Medical Mutual of Ohio, reported that a vendor of its business associate (BA) experienced a ransomware attack affecting the protected health information (PHI) of 1,377 individuals. The PHI involved included names, addresses, dates of birth, and health information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the BA suspended its business relationship with the vendor.
Text as published on the HHS OCR breach portal.
Other reports by Medical Mutual of Ohio
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Medical Mutual of Ohio | OH | Health Plan | 6,119 | Sep 15, 2017 | Unauthorized Access/Disclosure | Archive (closed) |
| Medical Mutual of Ohio | OH | Business Associate | 1,420 | Jan 27, 2014 | Unauthorized Access/Disclosure | Archive (closed) |
| Medical Mutual of Ohio | OH | Health Plan | 643 | Dec 6, 2013 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the Medical Mutual of Ohio data breach?
The report to HHS OCR lists 1,377 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 17, 2022.
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 Medical Mutual of Ohio 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 Medical Mutual of Ohio.