Mid Westchester Anesthesia Services
Disclosed Oct 24, 20223 years ago871 affectedConfirmed
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.
What is known
| People affected | 871 (as reported to HHS) |
|---|---|
| Disclosed | Oct 24, 2022 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Vermont Attorney General: 2022 10 24 Mid Westchester Anesthesia Services Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Mid-Westchester Anesthesia Services (Healthcare Provider, NY)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Vermont AGresidents of VT | Oct 24, 2022 | |
| HHS archivetotal | Oct 24, 2022 | 871 |
History of this record
- 2026-09-25 · sector: other to health · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · data_types: [] to ["names","health"] · backfill source
- 2026-09-25 · records_basis: empty to hhs · backfill source
- 2026-09-25 · records: empty to 871 · backfill source
- 2026-09-25 · summary: empty to 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 nam · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Vermont AG), confirmed by Vermont AG. Record counts are as reported. Not legal advice.