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Regulator-posted notice

Breach notice filed by Mendocino Community Health Clinic Inc. (December 2025)

Organization named: Mendocino Community Health Clinic Inc. Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS Office for Civil Rights breach portal with a submission date of Dec. 29, 2025.

Organization as reported
Mendocino Community Health Clinic Inc., CA
Entity type as reported
Healthcare Provider
Category as reported
Hacking/IT Incident
Location of information as reported
Network Server
Submission date
Dec. 29, 2025
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 9055, row:194)
Archived copy
Held in the private archive (provenance)

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.

The source's own words, from the revision above.

Figures, per source

  • 3,538 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Dec. 29, 2025, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date (HHS Office for Civil Rights breach portal)
  • Observed by BreachRecords (revision 9055)
  • Approved by a reviewer

Organizations linked by a reviewer

Archived evidence

  • 3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
    text/csv, 5,530,996 bytes, retrieved from HHS Office for Civil Rights breach portal, 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

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