Every public data breach

47 disclosed this week · 26,367 on record

American Anesthesiology

Disclosed Jan 8, 20211,269,074 affectedConfirmed

Official notice

The covered entity (CE), American Anesthesiology, reported that multiple employees of its business associate (BA) experienced an email phishing attack affecting the protected health information (PHI) of 1,269,074 individuals. The PHI involved included names, dates of birth, Social Security and drivers’ license numbers, diagnoses, lab results, medications prescribed, and financial and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA implemented additional administrative and technical safeguards to better protected PHI. All staff were retrained on email security.

What is known

People affected1,269,074 (as reported to HHS)
DisclosedJan 8, 2021
DiscoveredJul 16, 2020
HappenedJun 17, 2020
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at American Anesthesiology

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
organization to hhsby backfillSource
records2026-09-25
1159841 to 1269074by backfillSource
summary2026-09-25
empty to The covered entity (CE), American Anesthesiology, reported that multiple employees of its business associate (BA) experienced an email phishing attack affecting the protected health information (PHI) of 1,269,074 individuals. The PHI involvby backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 1159841by backfillSource
discovered2026-09-25
empty to 2020-07-16by backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about American Anesthesiology