Contact Us

On Jan. 1, 2025, your TRICARE West Region contractor changed from Health Net Federal Services, LLC (HNFS) to TriWest Healthcare Alliance (TriWest). Please contact TriWest regarding any care received on or after Jan. 1.

If you need claims support for dates of service prior to Jan. 1, please see below.

Not sure whether you should contact HNFS or TriWest? Visit our West Region transition contact page.

Claims Support (through March 30, 2025)

1-844-866-WEST (1-844-866-9378)

Claims support only (for dates of service prior to Jan. 1, 2025)
Monday through Friday, 5 a.m.–9 p.m. PT
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
Note: For electronic data interchange (EDI) support, providers can reach PGBA's EDI Help Desk at 1-800-259-0264, Monday through Friday, 5 a.m.–4 p.m. PT (excluding holidays).

Web Support (through June 30, 2025)

1-800-440-3114

Support for www.tricare-west.com only
Monday through Friday, 8:30 a.m.-5 p.m PT
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, HNFS' claims support is specific to dates of service prior to Jan. 1, 2025.

Through April 30, 2025

TRICARE West Claims Submission

Health Net Federal Services, LLC
c/o PGBA, LLC/TRICARE
P.O. Box 202112
Florence, SC 29502-2112

Fax: 1-844-869-2504

Routine Correspondence

Health Net Federal Services, LLC
c/o PGBA, LLC/TRICARE
P.O. Box 202100
Florence, SC 29502-2102

Fax: 1-844-869-2812

Claims Adjustments/Allowable Charge Review

Health Net Federal Services, LLC
c/o PGBA, LLC/TRICARE
Allowable Charge Review
P.O. Box 202100
Florence, SC 29502-2100

Fax: 1-844-869-2812

Good Faith Payment Reviews

Health Net Federal Services, LLC
TRICARE West – Priority Correspondence
P.O. Box 202101
Florence, SC 29502-2101

Fax: 1-844-869-2811

Claims Appeals

Health Net Federal Services, LLC
TRICARE West Claims Appeals
P.O. Box 8008
Virginia Beach, VA 23450-8008

Fax: 1-844-802-2527

Grievances

Health Net Federal Services, LLC
Attn: Grievances
P.O. Box 8128
Virginia Beach, VA 23450-8128

Fax: 1-844-802-2531

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

Electronic Remittance Advice (ERA)

PGBA, LLC/TRICARE Electronic Data Interchange
P.O. Box 17150
Augusta, GA 30903

Fax: 1-803-264-9864