Skip to content

Napa Valley Dentistry

Disclosed Sep 22, 201610 years ago4,262 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 exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Napa Valley Dentistryoag.ca.gov · Official notice
HHS OCR breach report (archive, resolved): Napa Valley Dentistry (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
California AGresidents of CASep 22, 2016
HHS archivetotalOct 5, 20164,262
History of this record
  • 2026-09-25 · attack: unknown to lost-device · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: empty to hhs · backfill source
  • 2026-09-25 · records: empty to 4262 · backfill source
  • 2026-09-25 · summary: 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 a · backfill source
  • 2026-09-25 · added · backfill source

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

Everything about Napa Valley Dentistry

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.