- State
- OR
- Covered entity type
- Healthcare Provider
- Individuals affected
- 750,500
- 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), Oregon Anesthesiology Group, reported that it experienced a ransomware attack that affected the protected health information (PHI) of 750,500 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, and claims information. The CE notified HHS, affected individuals, and the media. In response to the breach the CE implemented additional administrative and technical safeguards to better protect PHI.
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.