Commonwealth Care Alliance, a Massachusetts health plan, reported to HHS on 2026-02-25 an Unauthorized Access/Disclosure affecting 634 individuals. An employee mailed PHI (clinical information) of 634 individuals to wrong recipients via paper/films. The CE notified HHS, affected individuals, and the media, provided complimentary credit monitoring, and implemented additional administrative, technical, and security safeguards.
Affected (this filing): 634