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San Mateo Medical Center

Disclosed Nov 13, 20187 years ago5,000 affectedConfirmed

Official notice

On November 13, 2018, OCR received a breach notification report from San Mateo Medical Center (SMMC). SMMC reported that the breach affected approximately 5,000 individuals. After an internal investigation, SMMC determined that the report was filed in error, the incident did not amount to a breach and, the incident should not have been reported since no breach occurred. Based on this information, OCR closed the case.

What is known

People affected5,000 (as reported to HHS)
DisclosedNov 13, 2018
AttackInsider
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalNov 13, 20185,000

Other breaches at San Mateo Medical Center

BreachAffected
Disclosed Aug 7, 2014Aug 7, 201412 years agoUnknown
History of this record
  • 2026-09-25 · added · backfill source

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

Everything about San Mateo Medical Center

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