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Regulator-posted notice

Breach notice filed by Health Plan of San Joaquin (December 2020)

Organization named: Health Plan of San Joaquin 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. 21, 2020.

Organization as reported
Health Plan of San Joaquin, CA
Entity type as reported
Health Plan
Category as reported
Hacking/IT Incident
Location of information as reported
Email
Submission date
Dec. 21, 2020
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 12436, row:3575)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Health Plan of San Joaquin, reported that several employees were the victims of an email phishing scheme that affected the electronic protected health information (ePHI) of 418,842 individuals. The ePHI involved included names, Social Security numbers, drivers’ license numbers, health insurance information, claims and financial information, dates of birth, lab results, prescription information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. The CE also offered complimentary credit monitoring services. In response to the breach, the CE updated its email access protocols and implemented additional technical safeguards.

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

Figures, per source

  • 418,842 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Dec. 21, 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 12436)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Health Plan of San Joaquin 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 Health Plan of San Joaquin (December 2020). We acknowledge every request within two business days. We reply by email.

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