Live in the West Region? There is now a referral approval waiver in place through April 30, 2025. Learn More. Also, you have until April 30 to set up your payment info if you pay by EFT, credit card, or debit card. This is for TRICARE Prime, TRICARE Select, TYA, TRS, and TRR plans. If you miss this deadline, you will be disenrolled back to Jan. 1. Visit www.tricare.mil/west today.

Health Services

    Contact Us

    Phone

    406-731-4633

    Hours

    Monday-Friday,
    7:30 a.m.-Noon & 1-4:30 p.m.
    Closed daily noon-1 p.m., federal holidays, and until noon on the first and third Thursday of each month

     

    Don’t forget to keep your family’s information up to date in DEERS!