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Outpatient services, including the Main & Satellite Pharmacies and Laboratory will be closed on Friday, June 19, 2026 for Juneteenth.

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

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Frequently Asked Questions (FAQs)

Frequently asked questions about our facility.

Urgent & Emergency Care FAQs

What should I do if I have a non-life-threatening health issue?
What should I do if I have a life-threatening health issue?
What should I do if I’m still unsure if I need urgent care?
Does Mike O'Callaghan Military Medical Center provide emergency care services?
Does Mike O'Callaghan Military Medical Center provide urgent care services?

TRICARE FAQs

Military Health System FAQs

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

Patient Resources

Frequently Asked Questions (FAQs)

Urgent & Emergency Care FAQs

TRICARE FAQs

Military Health System FAQs

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