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Regulator-posted notice

Breach notice filed by Sonoma Valley Healthcare District (December 2020)

Organization named: Sonoma Valley Healthcare District 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. 9, 2020.

Organization as reported
Sonoma Valley Healthcare District, CA
Entity type as reported
Healthcare Provider
Category as reported
Hacking/IT Incident
Location of information as reported
Email
Submission date
Dec. 9, 2020
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 12462, row:3601)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Sonoma Valley Healthcare District, reported that it was the subject of a ransomware attack that affected the protected health information (PHI) of 69,000 individuals. The PHI involved included names, dates of birth, addresses, claims information, diagnoses, lab results, and other treatment data. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI. As part of the investigation, OCR provided technical assistance to the CE regarding the HIPAA Rules.

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

Figures, per source

  • 69,000 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Dec. 9, 2020, 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 12462)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Sonoma Valley Healthcare District Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

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.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by Sonoma Valley Healthcare District (December 2020). We acknowledge every request within two business days. We reply by email.

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