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

Mike O’Callaghan Military Medical Center has received an “A” Leapfrog Hospital Safety Grade for Spring 2026, demonstrating a commitment to providing high-quality care to all patients.
Mike O'Callaghan Military Medical Center is proud to have been awarded the Air Force Hospital of the Year! Congratulations to all the winners!
Mike O'Callaghan Military Medical Center is committed to providing all of our patients with high-quality care.
Our level III trauma center is the only Air Force medical facility to treat civilian critical care and trauma patients arriving by ambulance.
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Mike O'Callaghan Military Medical Center News and Updates

TRICARE News and Updates

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