HHS OCR report ยท 2018
University Of Missouri Health data breach
OCR report facts
- Covered entity
- University Of Missouri Health
- Entity type
- Healthcare Provider
- State
- Missouri
- Individuals affected
- 706
- Submission date
- Oct 5, 2018
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Paper/Films
- Business associate present
- No
- Status
- Archive (closed)
OCR description
Due to an incorrect mail merge, on June 8, 2018, the covered entity (CE) sent letters to 706 patients in the Ear, Nose, and Throat Clinic to the wrong addresses. The breached protected health information (PHI) included names, addresses, zip codes, and treatment information. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach, the CE sanctioned and retrained the workforce members whose actions led to the breach. It also provided education o...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the University Of Missouri Health data breach?
The report to HHS OCR lists 706 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Oct 5, 2018.
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 University Of Missouri Health 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 University Of Missouri Health.