MedicaidAdministrativeMedium impact
New Requirement for Provider Verification in Telephone Service Center
Medi-Cal·CA·Provider Bulletin
Effective date
Aug 1, 2026
We identified it
Jun 14, 2026
Summary
Starting August 1, 2026, providers calling the Telephone Service Center will need to verify their identity using their most recent checkwrite amount instead of previous verification methods. This permanent security enhancement affects all provider interactions requiring verification when contacting support.
Action Required
Before August 1, 2026: All staff who contact the Telephone Service Center (1-800-541-5555) must have access to the practice's most recent checkwrite amount for identity verification. Update office procedures to ensure this information is readily available when calling for support Monday through Friday, 8 AM to 5 PM.