Glossary
TriWest Healthcare Alliance
TriWest Healthcare Alliance is the TRICARE West Region contractor, which runs the beneficiary portal and customer service for West Region beneficiaries.
Applies to: All TRICARE plans · All regions
TriWest Healthcare Alliance is the TRICARE West Region contractor. It is a private company that works for the government; it does not decide who is eligible for TRICARE (that is DEERS).
What it does for you
According to TRICARE, TriWest:
- runs the beneficiary portal where members sign in and manage care forms;
- takes updates to your other health insurance, which helps keep claims from being denied or recovered;
- sends wellness messages on preventive care and health topics through the portal;
- offers chat with customer service representatives in the portal.
How to reach TriWest
- Phone: 888-TRIWEST (888-874-9378)
- Website: tricare.triwest.com
- Beneficiary portal sign-in: tricare-bene.triwest.com
- Find a West Region doctor: TriWest’s provider directory
Which region are you in?
TRICARE’s page does not list the states in the West Region; it points to a ZIP code lookup. Our TRICARE regions guide explains the regions and contractors, and TRICARE’s Plan Finder and phone number page show where to start. East Region beneficiaries use a different contractor.