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47 disclosed this week · 26,367 on record

Anesthesia Services Of San Joaquin

Disclosed Sep 23, 202243,924 affectedConfirmed

Official notice

The covered entity (CE), Anesthesia Services of San Joaquin, reported that its business associate (BA) experienced a ransomware attack that affected the protected health information (PHI) of 43,924 CE patients. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, claims and financial information, medications prescribed, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the BA strengthened its administrative, technical, and security safeguards.

What is known

People affected43,924 (as reported to HHS)
DisclosedSep 23, 2022
HappenedJul 9, 2022
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

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 43924by backfillSource
disclosed2026-09-25
2022-10-25 to 2022-09-23by backfillSource
summary2026-09-25
empty to The covered entity (CE), Anesthesia Services of San Joaquin, reported that its business associate (BA) experienced a ransomware attack that affected the protected health information (PHI) of 43,924 CE patients. The PHI involved included namby 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.

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