HHS OCR report · 2021
NPS Corporation data breach
OCR report facts
- Covered entity
- NPS Corporation
- Entity type
- Health Plan
- State
- Wisconsin
- Individuals affected
- 999
- Submission date
- Apr 28, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), NPS Corporation, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of approximately 999 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, claims and financial information, and diagnoses. The CE notified HHS, the affected individuals, and the media. In its mitigation efforts, the CE offered free credit monitoring services and enabled multifactor authen...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the NPS Corporation data breach?
The report to HHS OCR lists 999 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Apr 28, 2021.
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 NPS Corporation 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 NPS Corporation.