Every public data breach

47 disclosed this week · 26,367 on record

John Muir Physician Network

Disclosed Apr 24, 20105,450 affectedConfirmed

Official notice

Two laptop computers containing the electronic protected health information (ePHI) of approximately 5,450 individuals were stolen from the CE. The ePHI included patient names, dates of birth, and social security numbers. The CE provided breach notification to all affected individuals, HHS, and the media. As a result of OCR's investigation, the CE installed encryption software and increased physical security.

What is known

People affected5,450 (as reported to HHS)
DisclosedApr 24, 2010
AttackLost or stolen device
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at John Muir Physician Network

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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