Mendocino Community Health Clinic
Disclosed Dec 29, 20259 months ago3,538 affectedConfirmed
The covered entity (CE), Mendocino Community Health Clinic Inc., reported that a subcontractor of its business associate (BA) a cyberattack that compromised the protected health information (PHI) of 3,538 individuals. The PHI involved included financial and demographic information. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals and the CE and BA and implemented additional administrative, technical, and security safeguards to better protect PHI.
What is known
| People affected | 3,538 (as reported to HHS) |
|---|---|
| Disclosed | Dec 29, 2025 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Mendocino Community Health Clinic (Healthcare Provider, CA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Dec 29, 2025 | 3,538 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.