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Regulator-posted notice

Breach notice filed by Contra Costa Health Services (December 2011)

Organization named: Contra Costa Health Services Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Unauthorized Access/Disclosure

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. 7, 2011.

Organization as reported
Contra Costa Health Services, CA
Entity type as reported
Healthcare Provider
Category as reported
Unauthorized Access/Disclosure
Location of information as reported
Paper/Films
Submission date
Dec. 7, 2011
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 15728, row:6867)
Archived copy
Held in the private archive (provenance)

Figures, per source

  • 4,700 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Dec. 7, 2011, 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 15728)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Contra Costa Health Services 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.

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