HHS OCR report ยท 2022
Prairie Lakes Healthcare System data breach
OCR report facts
- Covered entity
- Prairie Lakes Healthcare System
- Entity type
- Healthcare Provider
- State
- South Dakota
- Individuals affected
- 1,164
- Submission date
- Dec 20, 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), Prairie Lakes Healthcare System, reported that its business associate (BA) experienced a ransomware incident that affected the protected health information (PHI) of 1,164 individuals. The PHI involved included names, addresses, dates of birth, diagnoses, and financial and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE and BA revised its policies and procedures and implamented additional adminis...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Prairie Lakes Healthcare System data breach?
The report to HHS OCR lists 1,164 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Dec 20, 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 Prairie Lakes Healthcare System 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 Prairie Lakes Healthcare System.