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.

Health Services

Critical Care Unit (CCU)

Mike O’Callaghan Military Medical Center’s Critical Care Unit (CCU) is a 12-bed intensive and intermediate care ward that provides ready, reliable care to adults in in need of advanced care and monitoring. The CCU operates 24/7/365.

The CCU is located on the third floor, utilizing the B elevators.

Who We Serve

We serve TRICARE beneficiaries, VA patients and civilian ambulance arrivals.

Services

Treatment services include:

  • Management of acute medical conditions that require advanced care by highly trained staff to treat critically ill patients. 
  • Management of acute and chronic conditions that require less attention than critical illness but require more advanced monitoring and care than can safely be provided by our multi-service unit.

Visitation

Visitation hours are from 7 a.m. to 9 p.m. Each patient is limited to two visitors at a time, with no overnight guests. Guests under the age of 12 are not permitted. Guests under the age of 18 must always be accompanied by an adult other than the patient.

Visitors are asked to maintain a quiet environment during shift changes between 6:30 a.m. and 8:30 a.m. and 6:30 p.m. and 8:30 p.m.

The CCU is an entry-controlled unit and visitors must ring the bell for entry. Visitors are required to check-in with staff before visiting. 

Contact Us

Phone

702-653-3560

Hours

24/7/365

Location

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

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