HHS OCR report · 2010
Tomah Memorial Hospital data breach
Tomah Memorial Hospital, a healthcare provider in Wisconsin, reported a breach affecting 600 individuals to HHS OCR on Apr 16, 2010.
OCR report facts
- Covered entity
- Tomah Memorial Hospital
- Entity type
- Healthcare Provider
- State
- Wisconsin
- Individuals affected
- 600
- Submission date
- Apr 16, 2010
- Type of breach
- Other
- Location of breached information
- Other
- Business associate present
- No
- Status
- Archive (closed)
OCR description
A nurse impermissibly used the protected health information (PHI) of approximately 600 patients to obtain narcotics from the covered entity (CE), Tomah Memorial Hospital, for her own use. The PHI involved in the breach included patients’ names and account numbers. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach, the CE improved safeguards by creating a monthly audit of Schedule II narcotics, matched to the dispense log, medical order, a...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Tomah Memorial Hospital data breach?
The report to HHS OCR lists 600 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Apr 16, 2010.
What type of breach was it?
The OCR portal lists the type of breach as Other, with the breached information located in: Other.
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 Tomah Memorial Hospital 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 Tomah Memorial Hospital.