Provider Contacts

  • Claims

    Mailing address:
    PO Box 91059
    Seattle, WA 98111-9159

    Claim payer IDs
    Direct submission:  Professional and Institutional 00430; Dental 47570
    Clearinghouse submission: Contact your clearinghouse for the correct submitter ID (assigned by the clearinghouse)
    View claims and billing forms

    Customer service

    Call 877-342-5258, option 2, 8 a.m. to 5 p.m., PST, Monday through Friday, for help with:

    • Member benefits and eligibility verification
    • Claims payment, payment vouchers, or remittance assistance
    • Provide network status confirmation
    • Tech help, website issues
    • Credentialing

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

    Credentialing application - new providers

    Use OneHealthPort's ProviderSource to submit your credentialing application. Get more details on our Join Our Network page.

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

    Fax: 425-918-4766


    Request a copy of your contract

    If you need a copy of your contract, send us an email request and we’ll send it to you directly as an email attachment. Please note this email is only for requesting contract copies.

    Physician and provider relations

    You can reach us at 877-342-5258, option 4 or email us with any questions. See the Join Our Network page for credentialing information.

    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. Please make sure that providers are only listed at locations where they accept appointments. The Centers for Medicare and Medicaid Services (CMS) calls your practice on a regular basis to confirm that you’re following this requirement and if your information is current in the directory.

    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:
    PO Box 91102
    Seattle, WA 98111-9202

    View appeals forms

    Forgotten ID and password assistance

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


    • 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
    • Visit our BlueCard Resources page

    Clinical review

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

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

    Fax inpatient admission notification forms and related medical records to 888-742-1487.

    Fax prior authorization request forms to 800-843-1114.

    Premera Blue Cross Medicare Advantage Plan

    Call Customer Service at 888-850-8526, 8 a.m. to 8 p.m., Monday through Sunday.
    Call Utilization Management at 855-339-8127, 9 a.m to 9 pm., Monday through Friday. If urgent (after-hours) call 866-322-6287, from 9 p.m. to 9 a.m., Monday through Friday.
    Fax (24-hour) at 866-809-1370 .

    Electronic Data Interchange (EDI)

    425-918-4234 (for EDI enrollment forms only; no claims or PPI information)

    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