Mike O'Callaghan Military Medical Center - Nellis Air Force Base

Outpatient services, including the Main Pharmacy and the Laboratory will be closed on Friday, June 12, 2026.

The Satellite Pharmacy will remain open 8 a.m. to 5 p.m.

Inpatient operations and the Emergency Department remain open 24/7/365.

The MHS Nurse Advice Line is also available 24/7 to TRICARE beneficiaries for health-related questions and guidance. You can reach the Nurse Advice Line by calling 800-TRICARE (874-2273) or visiting MHSNurseAdviceLine.com

To view our scheduled closures, visit: http://nellis.tricare.mil/Getting-Care/Scheduled-Closures

Mike O'Callaghan Military Medical Center - Scheduled Closures The official website for Mike O'Callaghan Military Medical Center at Nellis Air Force Base

Help you child feel safe and confident at the dentist!

The Mike O'Callaghan Military Medical Center Dental Clinic is hosting a sensory-friendly practice visit to the dentist. There will be no exams or procedures--just a self-paced chance to get comfortable.

✨ Your child can: meet the team, check out the tools, sit in the dental chair
💙 We provide: dimmable lights, quiet spaces, fidgets
🗓️ Appointment required: https://docs.google.com/forms/d/e/1FAIpQLSeg7vJFcw9Y4UMbUdQ7Z606xYgSajQXJOc3M67101gf1xrz0A/viewform

Open to beneficiaries of active duty and retired service members. See the flyer below for full details 👇

Our level III trauma center recently earned reverification by the American College of Surgeons!

We are proud to offer the local community additional access to emergency care, while strengthening the readiness of our medics 💪

Read more here ⤵️

Mike O’Callaghan Military Medical Center Earns Trauma Level III Reverification Mike O’Callaghan Military Medical Center (MOMMC) has been reverified as a Level III trauma center by the American College of Surgeons (ACS), the only U.S. Air Force medical facility to earn this

Outpatient services, including the Main and Satellite Pharmacies and the Laboratory will be closed on Friday, May 22, 2026 and Monday, May 25, 2026.

Inpatient operations and the Emergency Department remain open 24/7/365.

The MHS Nurse Advice Line is also available 24/7 to TRICARE beneficiaries for health-related questions and guidance. You can reach the Nurse Advice Line by calling 800-TRICARE (874-2273) or visiting MHSNurseAdviceLine.com

To view our scheduled closures, visit: http://nellis.tricare.mil/Getting-Care/Scheduled-Closures

Mike O'Callaghan Military Medical Center - Scheduled Closures The official website for Mike O'Callaghan Military Medical Center at Nellis Air Force Base

UPDATE: As of Monday, May 18, 2026 at 3:15 p.m., service has been restored.

🚧Gate Modifications🚧

Please review the graphic below for this weekend's gate modifications and plan ahead accordingly.

Thank you for your patience, and please drive safely.🚗

Enhancing patient care starts the moment you walk through our doors ✨

ICYMI: We recently upgraded our waiting spaces, made possible with a partnership with the U.S. Army Engineering and Support Center. We are proud to partner with USACE to improve the comfort of all patients we are priviledged to serve.

Mike O'Callaghan Military Medical Center just got our report card back, and we have received (another) 'A' safety grade from The Leapfrog Group! 🏆 🍎

This recognition reflects the dedication, teamwork, and high standards our staff brings to patient care every day.

Learn more here: https://dha.mil/News/2026/05/06/15/46/15-military-hospitals-receive-Leapfrogs-highest-Hospital-Safety-Grade