Regulator-posted notice

Breach notice filed by California Physicians' Service d/b/a Blue Shield of California (February 2019)

Organization named: California Physicians’ Service d/b/a Blue Shield of California 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 OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of Feb. 15, 2019.

Organization as reported: California Physicians' Service d/b/a Blue Shield of California, CA
Entity type as reported: Health Plan
Category as reported: Hacking/IT Incident
Location of information as reported: Network Server
Submission date: Feb. 15, 2019
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 13528, row:4667)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), Blue Shield of California, reported that its business associate (BA) Sharecare Health Data Services, LLC, was the victim of a cyber-attack affecting the protected health information (PHI) of 18,416 individuals. The PHI involved included names, dates of birth, Social Security numbers, and clinical information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. Affected individuals were also provided complimentary credit monitoring services.
The source's own words, from the revision above.

Figures, per source

18,416 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Feb. 15, 2019, 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.

2019-02-15Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
2026-10-18Observed by BreachRecords (revision 13528)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

California Physicians’ Service d/b/a Blue Shield of California 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, from the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), retrieved 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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