Contact Information for Medicare Advantage

  • Customer Service

    Call customer service at 888-850-8526.

    April 1 through September 30: 8 a.m. to 8 p.m. PT, Monday through Friday. 
    October 1 through March 31: 8 a.m. to 8 p.m. PT, Monday through Sunday.

    For help with: 

    • General information
    • Member benefits verification
    • Member eligibility confirmation
    • Claims payment, payment vouchers or remittance assistance
    • Pharmacy policy questions
    • Provider network status confirmation
    • Drug lists questions
    • Part D prescription pre-approval and exceptions requests

    Provider Relations

    You can reach us at 877-342-5258, option 4 or email us with questions about the following items. 

    • Billing, practice or remittance address changes
    • Practice location additions
    • Tax identification number updates
    • Adding/deleting a provider at your office
    • Application and contract requests
    • Copies of past communications

    Medical and Payment Policies

    Call 855-339-8130 from 6 a.m. to 5 p.m. PT, Monday through Friday, for help with medical and payment policies.

    Behavioral Health Provider Network

    To join this network, call Christine Rae at 206-926-0224 or email
    For general questions, call Optum at 800-711-4577.

    Utilization Management

    Call 855-339-8127, from 6 a.m. to 5 p.m. PT, Monday through Friday
    Urgent (after-hours and holidays), call 866-322-6287
    Fax (24-hour) at 866-809-1370

    Technical issues

    For technical issues related to:

    • Medicare Advantage homepage, Find A Doctor, and forms, call 800-722-9780
    • Medicare Advantage secure pages and online tools, call 888-850-8526

    ProviderSource for online credentialing

    ProviderSource is Premera's preferred method for receiving provider credentialing and recredentialing information. We encourage you to use this central database to reduce paper and streamline processes.