Regulator-posted notice

Breach notice filed by Centers for Medicare & Medicaid Services (June 2025)

Organization named: Centers for Medicare & Medicaid Services 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 June 30, 2025.

Organization as reported: Centers for Medicare & Medicaid Services, MD
Entity type as reported: Health Plan
Category as reported: Hacking/IT Incident
Location of information as reported: Network Server
Submission date: June 30, 2025
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 8691, row:583)
Archived copy: Held in the private archive (provenance)

Figures, per source

107,154 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date June 30, 2025, 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.

2025-06-30Submission date (HHS Office for Civil Rights breach portal)
2026-10-18Observed by BreachRecords (revision 8691)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Centers for Medicare & Medicaid Services Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

13279a2ac40f2c40d39c3e4233e913571fb691d16317c641603e764c41a13a95
text/csv, 97,197 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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