TRICARE West for Providers
TRICARE Contract Changes
West Region Updates
As of Jan. 1, 2025, TriWest Healthcare Alliance (TriWest) is the regional contractor for the TRICARE West Region. Visit
www.tricare.mil/west to learn more and for any questions about current TRICARE benefits.
HNFS Claims Support Ended April 30, 2025
Effective May 1, 2025, please contact TriWest for West Region customer service. Learn more >>.
Authorizations
TriWest will accept referrals and pre-authorizations from HNFS that were issued prior to Jan. 1, 2025. These will be valid through their expiration or June 30, 2025, whichever comes first. TriWest will accept referrals under the Autism Care Demonstration through the expiration date.
HNFS can no longer update or adjust any referrals or pre-authorizations. You must contact TriWest for assistance.
Claims
As of May 1, 2025, HNFS can no longer accept claims or claim adjustments for services rendered prior to Jan. 1, 2025.
For claims submitted to us by April 30, 2025, access our Check Claims Status tool through June 30, 2025.
Website
This website will remain available through June 30, 2025, although content will be limited.
News and Updates