TriWest Healthcare Alliance is contracted with the U.S. Department of Defense for the administration of the TRICARE program in the West Region. The TRICARE program is a managed health care program for active duty and retired members of the military, as well as their eligible dependents. TriWest subcontracts provider network development to Blue Cross Blue Shield of Arizona (BCBSAZ) for providers in Arizona.

To participate in the TRICARE program, providers must contract for TRICARE separately than for BCBSAZ business. BCBSAZ is responsible for contracting and servicing providers for the TRICARE program. Information regarding contracting can be found at www.azblue.com/Providers.aspx.

Below are phone numbers and links that you may want to use to locate information regarding the TRICARE program.

  • For claims billing and reimbursement information, please call Wisconsin Physicians Services (WPS) at (888) 874-9378.
  • For Electronic Data Interchange (EDI) information, please call the WPS EDI Department at (800) 782-2680 (option 2).
  • Use www.TriWest.com for help in locating information regarding:
  • The Provider Directory
  • Beneficiary Eligibility
  • Claims Submission
  • Claims Status
  • Rate & Reimbursement Methodology
  • Provider Handbooks o Seminar Schedules
  • Use tricare.mil/tma/default.aspx for TRICARE Management Activity. This will be helpful in locating information regarding:
  • TRICARE Fee Schedules; DRG Calculator & CMAC Rates
  • TRICARE Operating Manual
  • TRICARE beneficiaries should contact TriWest directly at (888) TRIWEST (874-9378)