Provider Contacts

  • Customer service

    Call 877-342-5258, option 2, for help with:

    • Member benefits and eligibility verification
    • Claims payment, payment vouchers, or remittance assistance
    • Provide network status confirmation

    Provider Contacts - One-page reference sheet of Premera addresses and phone/fax numbers.

    Technical website help

    To report issues related to our website, send us an email, call our service desk at 800-722-9780, weekdays, 6 a.m. to 6 p.m., or visit our help page.

    For issues with your user ID or password, call OneHealthPort at 800-973-4797.

    Credentialing application - new providers

    Send your new credentialing application to Premera by mail, fax, email or through ProviderSource.

    PO Box 327 - MS 263
    Seattle, WA 98111-0327

    Fax: 425-918-4766


    ProviderSource: Learn more about ProviderSource.

    Physician and provider relations

    Has your office information changed recently?

    Be sure to email us a completed provider update form if you have any of the following office changes:

    • Changing your billing, practice or remittance address
    • Adding a practice location
    • Updating your tax identification number
    • Adding/deleting a provider at your office

    Help our members find you

    Also make sure your information is current in our provider directory. You only need to list the top 5 locations for each medical practitioner, as required by The Centers for Medicare and Medicaid Services (CMS).

    Call 877-342-5258, option 4, for help with fulfilling application and contract requests, or verifying contract status.


    Mailing address:
    P.O. Box 91059
    Seattle, WA 98111-9159

    View claims and billing forms


    • Call 800-676-BLUE (2583) to verify benefits or eligibility for BlueCard members.
    • Be sure to have the subscriber or member identification number available when calling.
    • Call 888-261-9562 to reach Premera's BlueCard claims customer service team.
    • Log in to your local Blue plan's website

    Clinical Review

    Call Clinical Review at 877-342-5258, option 3, for help with:

    • Prior Authorization
    • Admission screening and triage
    • Clinical review
    • Case management

    Physician and provider appeals

    To reach us by phone, please call the customer service number on the back of the member's ID card.

    Mailing address:
    P.O. Box 91102
    Seattle, WA 98111-9202

    View appeals forms

    Premera Blue Cross Medicare Advantage Plan

    Call Customer Service at 888-850-8526, 8 a.m. to 8 p.m., Monday through Sunday.

    Electronic Data Interchange (EDI)

    Call the EDI team at 800-435-2715 if you have questions related to our electronic claims clearinghouse.

    Pharmacy services

    Call Pharmacy Services at 888-261-1756 for help with:

    • General information on the Preferred Drug List (PDL)
    • Exceptions for point-of-sale edits
    • Level status confirmation for a specific medication