Anesthesia Associates of Maryland
Disclosed Sep 23, 20224 years ago12,405 affectedConfirmed
The covered entity (CE), Anesthesia Associates of Maryland, reported that its business associate (BA) experienced a ransomware attack that affected the protected health information (PHI) of 12,405 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, claims and financial information, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach the CE provided complimentary credit monitoring services and the BA implemented additional administrative and technical safeguards to better protect PHI.
What is known
| People affected | 12,405 (as reported to HHS) |
|---|---|
| Disclosed | Sep 23, 2022 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Vermont Attorney General: 2022 10 24 Anesthesia Associates of Maryland Data Breach Notice to Consumersago.vermont.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Anesthesia Associates of Maryland (Healthcare Provider, MD)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Sep 23, 2022 | 12,405 |
| Vermont AGresidents of VT | Oct 24, 2022 |
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 12405 · backfill source
- 2026-09-25 · disclosed: 2022-10-24 to 2022-09-23 · backfill source
- 2026-09-25 · summary: empty to The covered entity (CE), Anesthesia Associates of Maryland, reported that its business associate (BA) experienced a ransomware attack that affected the protected health information (PHI) of 12,405 individuals. The PHI involved included name · 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.