Anesthesia Associates of Maryland

Disclosed Sep 23, 202212,405 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	NamesHealth
Sector	Healthcare · US
Status	Confirmed

Sources

Official noticeago.vermont.gov

Vermont Attorney General: 2022 10 24 Anesthesia Associates of Maryland Data Breach Notice to Consumers

Official noticeocrportal.hhs.gov

HHS OCR breach report (archive, resolved): Anesthesia Associates of Maryland (Healthcare Provider, MD)

Notices filed

TotalSep 23, 2022

HHS archive12,405 people

Residents of VTOct 24, 2022

Vermont AGCount not stated

History of this record

sector2026-09-25

other to healthby backfillSource

attack2026-09-25

unknown to hackingby backfillSource

data_types2026-09-25

[] to ["names","health"]by backfillSource

records_basis2026-09-25

empty to hhsby backfillSource

records2026-09-25

empty to 12405by backfillSource

disclosed2026-09-25

2022-10-24 to 2022-09-23by backfillSource

summary2026-09-25

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 nameby backfillSource

Added2026-09-25

First recordedby backfillSource

First seen 2026-09-25 (Vermont AG), confirmed by Vermont AG. Record counts are as reported. Not legal advice.

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