Contact Us

  • Company Closure Dates

    The LifeWise offices will be closed on Thursday, November 26; and Friday, November 27. On these days, all of our online tools will be available.

    We expect higher-than-normal call volumes on Monday, November 30, so we encourage you to continue using our online tools to avoid long wait times.

  • Customer Service

    Call 800-592-6804, Monday through Friday, 8:30 a.m. to 5 p.m., for help with:

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

    Billing Address - Claims Submission
    LifeWise Health Plan of Washington
    PO Box 91059
    Seattle, WA 98111-9159

    Provider Relations

    Call 877-342-5258, option 4, for help with:

    • Changing your billing, practice, or remittance address
    • Adding a practice location
    • Updating your tax ID number
    • Adding/deleting a provider at your office
    • Fulfilling application and contract requests
    • Verifying contract status
    • Requesting copies of past communications

    Send address updates (with effective date) by email or fax to 425-918-4937, Attn: Provider Relations.

    Credentialing Application - New Providers

    Call 877-342-5258, option 4, for credentialing assistance.

    Mail new credentialing applications to:

    PO Box 327 - MS 453
    Seattle, WA 98111-0327

    Fax: 425-918-4937

    Learn more about becoming a LifeWise provider.

    Care Management

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

    • Admission screening and triage
    • Clinical review
    • Case management

    Fax: 800-843-1114


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

    Electronic Data Interchange (EDI)

    Call EDI at 800-435-2715 if you have questions about 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
    • Tier status confirmation for a specific medication

    Physician and Provider Appeals

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

    P.O. Box 91102
    Seattle, WA 98111-9202

    Technical Website Help

    For technical support, call 800-722-9780, weekdays, 6 a.m. to 6 p.m., Pacific time, email us at, or visit our help page to troubleshoot common issues such as password recovery.