HHS OCR report ยท 2019
Cheyenne Regional Medical Center data breach
OCR report facts
- Covered entity
- Cheyenne Regional Medical Center
- Entity type
- Healthcare Provider
- State
- Wyoming
- Individuals affected
- 17,549
- Submission date
- Dec 10, 2019
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), Cheyenne Regional Medical Center, reported that several employees were the victims of an email phishing scheme that affected the electronic protected health information (ePHI) of 17,549 individuals. The ePHI involved included names, addresses, Social Security numbers, claims and financial information, diagnoses, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE implem...
Text as published on the HHS OCR breach portal.
Other reports by Cheyenne Regional Medical Center
| Covered entity | State | Entity type | Individuals | Submitted | Type of breach | Status |
|---|---|---|---|---|---|---|
| Cheyenne Regional Medical Center | WY | Healthcare Provider | 1,652 | Jul 5, 2022 | Unauthorized Access/Disclosure | Archive (closed) |
Frequently asked questions
How many people were affected by the Cheyenne Regional Medical Center data breach?
The report to HHS OCR lists 17,549 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 10, 2019.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Email.
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 Cheyenne Regional Medical Center 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 Cheyenne Regional Medical Center.