Live in the West Region? There is now a referral approval waiver in place through March 31, 2025. Learn More. Also, you have until Feb. 28 to set up your payment info if you pay by EFT, credit card, or debit card. This is for TRICARE Prime, TRICARE Select, TYA, TRS, and TRR plans. If you miss this deadline, you will be disenrolled back to Jan. 1. Visit www.tricare.mil/west today.

Health Services

TRICARE

Welcome to Mike O'Callaghan Military Medical Center! Below you will find helpful websites to assist you in navigating your TRICARE benefits.

TRICARE West/TriWest Healthcare Alliance

The TRICARE West website allows you to:

  • Update or transfer enrollments
  • View and print out authorization letters
  • View your claims and Explanation of Benefits
  • Search benefit information
  • Look up costs and fees
  • Locate network providers
  • And much more!
TRICARE West can also be reached by phone at 888-TRIWEST (874-9378).

DEERS

Keep your information up-to-date in DEERS.

MHS GENESIS Patient Portal

You can log on to the MHS GENESIS Patient Portal to:

Vision

Vision coverage options for eligible members can be found at: https://www.benefeds.com/.
Dental
Information about the TRICARE Dental Program for Active Duty, National Guard, and Reserve beneficiaries can be found at: https://www.uccitdp.com/. You may also call 844-653-4061.

TRICARE Operations Flight

Contact us at 702-653-2129 for information about:

  • Patient Travel
  • TRICARE Plus
  • TRICARE Benefit information

Contact Us

Phone

Service Center
888-TRIWEST (874-9378)
Health Benefits Advisor
702-653-2129

Hours

Mondays, Tuesdays, Thursdays, Fridays, 7:30 a.m. to 4:30 p.m.
Wednesdays, 9:30 a.m. to 4:30 p.m.
Scheduled Closures

Location

4700 Las Vegas Blvd. North
Building 1300, First Floor
Nellis Air Force Base, Nevada 89191

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Don't forget to keep your family's information updated in DEERS!