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Ambulatory Surgery Center at St. Mary

Disclosed Jul 7, 201613,000 affectedConfirmed

Official notice

The covered entity (CE), The Ambulatory Surgery Center at St. Mary, experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 13,000 individuals. The ePHI involved included names, addresses, dates of birth, Social Security numbers, drivers’ license information, and clinical information. Following the breach, the CE implemented additional technical and security safeguards and retrained its staff. OCR provided technical assistance to the CE.

What is known

People affected13,000 (as reported to HHS)
DisclosedJul 7, 2016
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

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

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