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On Jan. 1, 2025, your TRICARE West Region contractor changed from Health Net Federal Services, LLC (HNFS) to TriWest Healthcare Alliance (TriWest). 

HNFS Claims Customer Support Ends

As part of the TRICARE contract transition, HNFS' claims customer service line is no longer available. 

Effective May 1, 2025, you must contact TriWest for TRICARE West Region customer support. 

Learn more:

Note: If you are in the TRICARE East Region, find contact information for Humana Military here: www.tricare.mil/east

Website Support for www.tricare-west.com

We will offer limited secure content on this website through June 30, 2025. If you need help logging in to this site, our web support line will remain available through June 30. 

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IMPORTANT!

Do not use this line for TRICARE West Region customer service or for help accessing TriWest's website. Please contact TriWest. Our representatives can only help with www.tricare-west.com login issues. They do not have access to TriWest's systems or information regarding your TRICARE benefits or claims. 

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1-800-440-3114

  • Support for www.tricare-west.com only
  • Monday through Friday, 8:30 a.m.-5 p.m. PT (through June 30, 2025)
  • Closed on the following holidays:
    • New Year's Day, Wednesday, Jan 1
    • Martin Luther King Jr. Day, Monday, Jan. 20
    • President's Day, Monday, Feb. 17
    • Memorial Day, Monday, May 26
    • Juneteenth, Thursday, June 19

Mailing Addresses and Fax Numbers

IMPORTANT: Due to the TRICARE contract transition, this information is specific to dates of service prior to Jan. 1, 2025. 
 

Through May 15, 2025

Electronic Funds Transfer (EFT) 

TRICARE West Region
EFT Enrollment

Email: WRVerification@hnfs.com

 

Through June 30, 2025

Other Health Insurance Questionnaire

TRICARE West - OHI Questionnaire
P.O. Box 202102
Florence, SC 29502-2102

Fax: 1-844-730-1372
 

Third Party Liability (TPL) Correspondence

TRICARE West - TPL Correspondence
P.O. Box 202103
Florence, SC 29502-2103

Fax: 1-844-869-2813
 

Claim Recoupments/Refunds

Health Net Federal Services, LLC
c/o PGBA, LLC TRICARE Refunds
Attention: TRICARE West Region
P.O. Box 202111
Florence, SC 29502-2111