Regulator-posted notice

Breach notice filed by Commonwealth Care Alliance (February 2026)

Organization named: Commonwealth Care Alliance 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 OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of Feb. 25, 2026.

Organization as reported: Commonwealth Care Alliance, MA
Entity type as reported: Health Plan
Category as reported: Unauthorized Access/Disclosure
Location of information as reported: Paper/Films
Submission date: Feb. 25, 2026
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 8987, row:126)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), Commonwealth Care Alliance, reported that an employee mailed the protected health information (PHI) of 634 individuals to the wrong recipients. The PHI involved clinical information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals, and implemented additional administrative, technical, and security safeguards to better protect its PHI.
The source's own words, from the revision above.

Figures, per source

634 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Feb. 25, 2026, 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.

2026-02-25Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
2026-10-18Observed by BreachRecords (revision 8987)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Commonwealth Care Alliance 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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