Mike O'Callaghan Military Medical Center - Home

An official website of the United States government

Here's how you know

Official websites use .mil

A .mil website belongs to an official U.S. Department of Defense organization in the United States.

Secure .mil websites use HTTPS

A lock () or https:// means you’ve safely connected to the .mil website. Share sensitive information only on official, secure websites.

Now is the time to review your and your family member's current health plans, consider your needs for 2025, and learn about your coverage choices. TRICARE Open Season begins Monday, Nov. 11 and ends Tuesday, Dec. 10. Enrollment changes made during TRICARE Open Season will go into effect on Jan. 1, 2025.

TRICARE Open Season 2024

Now is the time to review your and your family member's current health plans, consider your needs for 2025, and learn about your coverage choices. TRICARE Open Season begins Monday, Nov. 11 and ends Tuesday, Dec. 10. Enrollment changes made during TRICARE Open Season will go into effect on Jan. 1, 2025.

Jet and Ambulance

Level III Trauma Center

Our level III trauma center is the first Air Force medical facility to treat civilian critical care and trauma patients arriving by ambulance.

Graphic for Patient & Family Partnership Councils.

Your voice matters

Join us as a Patient and Family Advisor to speak up and share suggestions and potential solutions to help improve care!

Want another way to connect with your Military Treatment Facility? Connect with us on Facebook! We welcome you to join our social community where we share important information and updates.

Connect with us on Facebook

Want another way to connect with your Military Treatment Facility? Connect with us on Facebook! We welcome you to join our social community where we share important information and updates.

The Defense Health Agency’s Virtual Education Center is an online educational platform with more than 50,000 resources covering 60 medical topics. The Virtual Education Center puts the power in your hands to research health topics before you talk to your provider.

Visit our new Virtual Education Center!

The Defense Health Agency’s Virtual Education Center is an online educational platform with more than 50,000 resources covering 60 medical topics. The Virtual Education Center puts the power in your hands to research health topics before you talk to your provider.

Quality and Safety Reports

Quality and Safety

Make an Appointment

Make an Appointment

Connect with a Patient Advocate

Connect with a Patient Advocate
Do you have a suggestion, concern, complaint or compliment? Contact Us Now

I WANT TO...

Mike O'Callaghan Military Medical Center News and Updates

Nurse standing in trauma room

Air Force nurse puts trauma experience to test in new role

Trauma nurse Capt. Angela Leonardo thrives on the chaos of the emergency room. As the Air Force’s only trauma center, Mike O’Callaghan Military Medical Center (MOMMC) offers Air Force medics like Leonardo valuable life-saving opportunities while also providing the Las Vegas community with additional access to emergency care.

Surgeon standing in operating room

Team Captain: Nellis Chief of Surgery Leverages Sports Background to Lead Surgical Cadre

As a former defensive end for the Air Force Academy Football Team, Maj. (Dr.) Fortune Egbulefu has a special interest in orthopedic medicine. Now an orthopedic surgeon and Mike O’Callaghan Military Medical Center’s Chief of Surgery, Egbulefu provides leadership to MOMMC’s surgical staff and state-of-the-art care to beneficiaries and veterans.

U.S. Air Force Col. Roy Louque, 99th Inpatient Surgical Squadron’s master clinician, right, speaks to Currency Training Program (CTP) participants at Nellis Air Force Base, Nevada, Aug. 24, 2023. The 99th MDG’s CTP provides U.S. Air Force medical personnel with the training and skill set needed for adequate and efficient care down range.

99th MDG: Preparing Air Force medical Airmen for evolving demands

The Mike O’Callaghan Military Medical Center hosted medical professionals from Luke Air Force Base

Image of two Airmen treating a patient.

Air Force SMART program sustains readiness and currency through tailored training

The Air Force’s Sustained Medical and Readiness Trained, or SMART, program has become a dynamic training platform. Through tailored training and multidisciplinary opportunities, Air Force medics retain their currency and are ready for the fight.

TRICARE News and Updates

"OPEN SEASON IS HERE!"

TRICARE Open Season 2024 Is Here

TRICARE Open Season is Nov. 11–Dec. 10, 2024. Open season applies to you if you're enrolled in or eligible for TRICARE Prime, the US Family Health Plan, or TRICARE Select.

"OPEN SEASON IS HERE!"

TRICARE Open Season 2024 Is Here

TRICARE Open Season is Nov. 11–Dec. 10, 2024. Open season applies to you if you're enrolled in or eligible for TRICARE Prime, the US Family Health Plan, or TRICARE Select.

Family looks at a phone

TRICARE Open Season 2024 Begins: Learn if You Need To Take Action

Have you considered changing your family’s TRICARE health plan for 2025? Now is your opportunity: TRICARE Open Season starts Nov. 11 and runs through Dec. 10.

Uniformed service member stands and smiles with wife and child, as toddler waves to the camera.

Check Out Your 2025 TRICARE Health Plan Costs

With 2025 just around the corner, you may be starting to consider your family’s health needs for next year. There may be changes to your TRICARE health plan costs starting Jan. 1, 2025. Depending on your plan, these costs may include enrollment fees, premiums, cost-shares, and copayments.

DOD Safe Helpline

DOD Safe Helpline

988 Suicide & Crisis Lifeline

Links to 988 Suicide & Crisis Lifeline

DoD Sexual Assault Prevention and Response Office

DOD Sexual Assault Prevention and Response Office

Need to Update Your Information in DEERS? Click Here