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TriWest Healthcare Alliance
TriWest Healthcare Alliance is the managed care support contractor for the TRICARE West Region, serving active duty service members, retirees, and their families across 22 states and the Pacific territories. TriWest administers TRICARE Prime, TRICARE Select, and other TRICARE health plans, managing a vast provider network, processing claims, and ensuring access to quality healthcare for military beneficiaries throughout the western United States.
Contact Information
General Inquiries
1-888-874-9378Appointment Line
1-888-874-9378Nurse Advice Line
1-800-874-2273Provider Services
1-888-874-9378Claims Status
1-888-874-9378Website
www.triwest.comOnline Portal
Login / Self-ServiceService Regions
- TRICARE West Region
- 22 states plus Pacific territories
Claims Mailing Address
TriWest Healthcare Alliance, P.O. Box 6040, Phoenix, AZ 85005-6040
Services Offered
- TRICARE Prime enrollment and administration
- TRICARE Select claims processing
- Provider network management
- Referral and authorization processing
- Nurse Advice Line (24/7)
- Appointment scheduling assistance
- Claims processing and payment
- Beneficiary education and outreach
- Transitional care management
- ECHO and Extended Care Health Option