HHS OCR report · 2025
Sunflower Medical Group, P.A. data breach
OCR report facts
- Covered entity
- Sunflower Medical Group, P.A.
- Entity type
- Healthcare Provider
- State
- Kansas
- Individuals affected
- 220,968
- Submission date
- Mar 7, 2025
- 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), Sunflower Medical group, reported that it experienced a cyberattack that compromised the protected health information (PHI) of approximately 220,968 individuals. The PHI involved names, dates of birth, addresses, social security and drivers’ license numbers, claims information, diagnoses/conditions, lab results, medications, and other treatment information. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE deployed endpoint mo...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Sunflower Medical Group, P.A. data breach?
The report to HHS OCR lists 220,968 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Mar 7, 2025.
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 Sunflower Medical Group, P.A. 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 Sunflower Medical Group, P.A..