- State
- NY
- Covered entity type
- Healthcare Provider
- Individuals affected
- 871
- 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), Mid-Westchester Anesthesia Services, reported that its business associate (BA) was the victim of a ransomware attack affecting the protected health information (PHI) of 871 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license numbers, Social Security numbers, claims and financial information, health insurance information, medications prescribed, diagnoses, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional technical safeguards.
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.