Every public data breach

53 disclosed this week · 26,385 on record

Napa Valley Dentistry

Disclosed Sep 22, 20164,262 affectedConfirmed

Official notice

Napa Valley Dentistry (NVD), the covered entity (CE), discovered that an unencrypted server that contained electronic protected health information (ePHI) had been stolen from its offsite storage unit. The breach affected 4,262 individuals and the ePHI involved included names, dates of birth, social security numbers, addresses, and financial information. In response to the breach, NVD performed a risk analysis, executed a corresponding risk management plan, and implemented several updates to its policies and procedures. In response to OCR’s investigation, NVD provided additional training to the staff members pertaining to the HIPAA Privacy, Security, and Breach Notification Rules.

What is known

People affected4,262 (as reported to HHS)
DisclosedSep 22, 2016
HappenedAug 11, 2016
AttackLost or stolen device
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
attack2026-09-25
unknown to lost-deviceby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 4262by backfillSource
summary2026-09-25
empty to Napa Valley Dentistry (NVD), the covered entity (CE), discovered that an unencrypted server that contained electronic protected health information (ePHI) had been stolen from its offsite storage unit. The breach affected 4,262 individuals aby 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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