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NorthBay Healthcare

Disclosed Apr 23, 20242 years ago569,012 affectedConfirmed

Official notice

The covered entity (CE), NorthBay Healthcare Corporation, reported that it experienced a hacking incident that affected the protected health information (PHI) of 569,012 individuals. The PHI involved included demographic, clinical, and financial information. The CE notified HHS, affected individuals, and the media and provided affected individuals with free credit monitoring. In response to the breach, the CE changed password/strengthened password requirements, implemented new technical safeguards, revised policies and procedures, and trained or retrained workforce members.

What is known

People affected569,012 (as reported to HHS)
DisclosedApr 23, 2024
DiscoveredSep 11, 2024
HappenedJan 11, 2024
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: NorthBay Healthcareoag.ca.gov · Official notice
Oregon DOJ breach notice: NorthBay Healthcarejustice.oregon.gov · Official notice
Vermont Attorney General: 2025-01-29 Northbay Healthcare Corporation Data Breach Notice to Consumersago.vermont.gov · Official notice
HHS OCR breach report (archive, resolved): NorthBay Healthcare (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
HHS archivetotalApr 23, 2024569,012
California AGresidents of CAJan 29, 2025
Oregon DOJresidents of ORJan 29, 2025569,012
Vermont AGresidents of VTJan 29, 2025

Other breaches at NorthBay Healthcare

BreachAffected
Disclosed Oct 30, 2018Oct 30, 20187 years ago1,567
History of this record
  • 2026-09-25 · attack: unknown to hacking · 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 569012 · backfill source
  • 2026-09-25 · disclosed: 2025-01-29 to 2024-04-23 · backfill source
  • 2026-09-25 · summary: empty to The covered entity (CE), NorthBay Healthcare Corporation, reported that it experienced a hacking incident that affected the protected health information (PHI) of 569,012 individuals. The PHI involved included demographic, clinical, and fina · backfill source
  • 2026-09-25 · source: empty to https://ago.vermont.gov/document/2025-01-29-northbay-healthcare-corporation-data-breach-notice-consumers · backfill source
  • 2026-09-25 · discovered: empty to 2024-09-11 · 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 NorthBay Healthcare

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