- State
- KS
- Covered entity type
- Healthcare Provider
- Individuals affected
- 220,968
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
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 monitoring, implemented security enhancements, and retrained its workforce to better protect its electronic PHI. OCR provided the CE with technical assistance regarding the HIPAA Rules.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.