Contact Medi-Cal

Phone Support: 1-800-541-5555

The Telephone Service Center (TSC) is available 8 a.m. to 5 p.m., Monday through Friday, except national holidays. Border providers and Out-of-State billers billing for in-state providers, call (916) 636-1200.

For faster access to TSC resources, please refer to the following help guides:

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Automated Phone Center: 1-800-786-4346

The Automated Phone Center is available 7 a.m. to 8 p.m., seven days a week. For instructions on using the Automated Phone Center, refer to the Provider Telecommunications Network (PTN) section of the provider manual. more…


Medi-Cal Provider Website and Systems Maintenance Window

The normal maintenance window for the Medi-Cal Provider website and systems is midnight to 2 a.m. This timeframe is used to apply system changes and updates. Transaction Services on the Medi-Cal Provider website may not be available for providers to perform transactions during this time. For further information related to the maintenance window, contact the TSC at 1-800-541-5555.

Extended mainframe maintenance occurs on the second Sunday of every month from 2 a.m. to 6 a.m., at the latest. The System Status page will be updated when the maintenance is completed. During the extended window, the Medi-Cal Point of Service (POS), Automated Eligibility Verification System (AEVS), Provider Telecommunications Network (PTN) and certain Transactions Services on the Medi-Cal Provider website may not be available.


Walk-Up Claims Delivery Address

Shipping and receiving hours of operation are 8 a.m. to 5 p.m., Monday through Friday except holidays. All hand-delivered Medi-Cal claims and correspondence are to be delivered and addressed to California MMIS Fiscal Intermediary at the following location:

California MMIS Fiscal Intermediary
820 Stillwater Road
West Sacramento, CA 95605-1630

Place claims and correspondence in the mail bin located inside the doorway of the warehouse double doors, located at the ground level by the loading area. There is a sign-off sheet next to the bin for couriers to fill-in their name, company, number of envelopes being delivered as well as the date and time.

This location does not accept claim forms or other hard copy information for beneficiaries.

The security desk in the lobby of the 820 building does not accept hand delivered claims and correspondence.

Map of Walk-Up Claims Delivery Address: 820 Stillwater Road West Sacramento, CA 95605-1630

Written Correspondence

Need help with a recurring billing issue?   Write to us at:

California MMIS Fiscal Intermediary
Attn: CSU
P.O. Box 13029
Sacramento, CA 95813-4029

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Have a missing, lost or returned warrant?   Write to us at:

California MMIS Fiscal Intermediary
Attn: Cash Control
P.O. Box 13029
Sacramento, CA 95813-4029

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Out-of-State Provider Support: (916) 636-1960

Out-of-State Provider Support services are available 8 a.m. to 5 p.m., Monday through Friday, except holidays.  more…


Small Provider Billing Assistance: (916) 636-1275

Out-of-State Provider Support services are available 8 a.m. to 5 p.m., Monday through Friday, except holidays.  more…


Medi-Cal Beneficiaries

The Medi-Cal Contacts page of the Department of Health Care Services (DHCS) website offers important contact information and Medi-Cal resources and health information for individuals, families, children with special medical conditions and seniors needing personal care.