The most recent appropriations for the Department of War expired at 11:59 p.m. EST on September 30, 2025. Military personnel will continue in a normal duty status without pay until such time as a continuing resolution or appropriations are passed by Congress and signed into law. Civilian personnel not engaged in excepted activities will be placed in a non-work, non-pay status.
If you have a scheduled appointment or other business at the MTF, please verify with your provider or applicable office within the MTF to ensure there are no changes in schedule. To learn how the lapse in appropriations affects your TRICARE benefit, visit 
tricare.mil/shutdown.

About Us

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As a valued patient of Mike O’Callaghan Military Medical Center, we welcome your feedback. Your feedback is a vital element to continuously improve quality of care, patient safety, and overall service to our patients.

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Public Affairs 

Email: dha.ncr.dha-cof-staff.mbx.dhn-continental-pao@health.mil 

Contact Us

Phone

Appointments
702-653-CARE (2273)

Hours

Appointment Line
Monday–Friday
6:30 a.m. to 4:00 p.m.

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

Emergency Hours
24/7/365

Scheduled Closures

Location

Mike O'Callaghan Military Medical Center
4700 Las Vegas Blvd. North
Building 1300
Nellis Air Force Base, Nevada 89191

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