Northern California Fertility Medical Center

Disclosed Sep 21, 202212,145 affectedConfirmed

The covered entity (CE), Northern California Fertility Medical Center, reported that it experienced a ransomware attack that affected the protected health information (PHI) of 12,145 individuals. The PHI involved included names and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. In response to the breach, the CE implemented additional administrative and technical safeguards, and updated its HIPAA policies and procedures.

What is known

People affected	12,145 (as reported to HHS)
Disclosed	Sep 21, 2022
Happened	Jul 24, 2022
Attack	Hacking
Data exposed	NamesHealth
Sector	Healthcare · US
Status	Confirmed

Sources

Official noticeoag.ca.gov

California Attorney General breach notice: Northern California Fertility Medical Center

Official noticeocrportal.hhs.gov

HHS OCR breach report (archive, resolved): Northern California Fertility Medical Center (Healthcare Provider, CA)

Notices filed

TotalSep 21, 2022

HHS archive12,145 people

Residents of CASep 28, 2022

California AGCount not stated

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 12145by backfillSource

disclosed2026-09-25

2022-09-28 to 2022-09-21by backfillSource

summary2026-09-25

empty to The covered entity (CE), Northern California Fertility Medical Center, reported that it experienced a ransomware attack that affected the protected health information (PHI) of 12,145 individuals. The PHI involved included names and treatmenby 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 Northern California Fertility Medical Center