Northern California Fertility Medical Center
Disclosed Sep 21, 20224 years ago12,145 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 | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Northern California Fertility Medical Centeroag.ca.gov · Official notice | Official notice |
| HHS OCR breach report (archive, resolved): Northern California Fertility Medical Center (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Sep 21, 2022 | 12,145 |
| California AGresidents of CA | Sep 28, 2022 |
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 12145 · backfill source
- 2026-09-25 · disclosed: 2022-09-28 to 2022-09-21 · backfill source
- 2026-09-25 · summary: 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 treatmen · 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.
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