2026 L.A. Care Health Plan - mailing error sent member HRA forms to wrong recipients
Data compromised
Member names, health plan names, program names, and mismatched member identification context
Technical writeup
L.A. Care Health Plan identified a mailing error in which annual Health Risk Assessment forms intended for one Medi-Cal member were sent to another health plan member on January 30, 2026. The error matched 2,885 member identification numbers with incorrect names. Public reporting said the mailed information was limited to member name, health plan name, and program name, with no highly sensitive information included.
Root cause
Mailing and member-identification matching error