Regulator-posted notice

Breach notice filed by Kaiser Foundation Health Plan, Inc. (December 2017)

Organization named: Kaiser Foundation Health Plan, Inc. 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. 22, 2017.

Organization as reported: Kaiser Foundation Health Plan, Inc., CA
Entity type as reported: Health Plan
Category as reported: Unauthorized Access/Disclosure
Location of information as reported: Paper/Films
Submission date: Dec. 22, 2017
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 13959, row:5098)
Archived copy: Held in the private archive (provenance)

Kaiser Foundation Health Plan (Kaiser), the covered entity (CE), reported that it had impermissibly disclosed protected health information (PHI) due to a flaw in its mail merge and quality assurance process. The breach affected 638 individuals. The PHI involved included names, medications prescribed, and health plan members. Following the breach, Kaiser strengthened its quality assurance process for mail merging and provided training on the revised process as well as refresher HIPAA training on protecting the privacy and security of PHI.
The source's own words, from the revision above.

Figures, per source

638 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Dec. 22, 2017, 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.

2017-12-22Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 13959)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Kaiser Foundation Health Plan, Inc. 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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