HHS OCR report · 2013
Medical Mutual of Ohio data breach
OCR report facts
- Covered entity
- Medical Mutual of Ohio
- Entity type
- Health Plan
- State
- Ohio
- Individuals affected
- 643
- Submission date
- Dec 6, 2013
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Paper/Films
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE) mistakenly included protected health information in two postcard mailings affecting 2,063 individuals. The first mailing included the CE’s patients and second mailing included the patients of other CEs for which the CE acted as the business associate (BA). The PHI involved in the breaches included names, home addresses, and an eleven-digit number (social security number plus two digits). The CE provided breach notification to HHS, affected individuals, and the media...
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 | 1,377 | Aug 17, 2022 | Hacking/IT Incident | Archive (closed) |
| 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) |
Frequently asked questions
How many people were affected by the Medical Mutual of Ohio data breach?
The report to HHS OCR lists 643 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 6, 2013.
What type of breach was it?
The OCR portal lists the type of breach as Unauthorized Access/Disclosure, with the breached information located in: Paper/Films.
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.