Granite Wellness Centers

Disclosed Feb 4, 202115,600 affectedConfirmed

The covered entity (CE), Granite Wellness Centers, reported that it was the victim of a ransomware attack that affected the protected health information (PHI) of 15,600 individuals. The PHI involved included names, dates of birth, addresses, drivers’ license numbers, diagnoses, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative and technical safeguards, provided complimentary credit monitoring services to affected individuals, and retrained its workforce members to better protect its PHI.

What is known

People affected	15,600 (as reported to HHS)
Disclosed	Feb 4, 2021
Attack	Hacking
Data exposed	NamesHealth
Sector	Healthcare · US
Status	Confirmed

Sources

Official noticeoag.ca.gov

California Attorney General breach notice: Granite Wellness Centers

Official noticeocrportal.hhs.gov

HHS OCR breach report (archive, resolved): Granite Wellness Centers (Healthcare Provider, CA)

Notices filed

Residents of CAFeb 4, 2021

California AGCount not stated

TotalFeb 4, 2021

HHS archive15,600 people

History of this record

attack2026-09-25

unknown to hackingby backfillSource

data_types2026-09-25

[] to ["names","health"]by backfillSource

records_basis2026-09-25

empty to hhsby backfillSource

records2026-09-25

empty to 15600by backfillSource

summary2026-09-25

empty to The covered entity (CE), Granite Wellness Centers, reported that it was the victim of a ransomware attack that affected the protected health information (PHI) of 15,600 individuals. The PHI involved included names, dates of birth, addressesby 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.

Everything about Granite Wellness Centers