Contact Us

  • Customer Service


    LifeWise customer service department is available Monday through Friday from 8:30 a.m. to 5 p.m. Pacific Time to assist you with the following:

    • General information
    • Check on a claim or claims payment
    • Check benefits or eligibility
    • Confirm benefits before requesting a Benefit Advisory
    • See if a provider is a LifeWise Preferred Provider
    • Obtain a needed form 

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

    Provider Relations

    877-342-5258, and press option 4

    LifeWise Provider Relations staff is available to assist you with the following:

    • Change billing, practice, or remittance addresses
    • Add a practice location
    • Update your tax identification number
    • Add or delete a physician or provider at your office
    • Fulfill application and contract requests
    • Verify contract status
    • Obtain copies of past communications


    Mail new credentialing applications to:

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

    Fax: 425-918-4937

    Find out how to join our network

    Care Management

    877-342-5258, and press option 3
    Fax: 800-866-4198 or 800-843-1114

    • Pre-admission screening
    • Clinical review of selected service
    • Prior authorization
    • Leave a confidential voice mail message with clinical information
    • Case management
    • Follow-up information on your clinical review request
    • Discharge planning