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Located at 4700 North Las Vegas Boulevard, the Mike O'Callaghan Military Medical Center is comprised of around 1,400 personnel who are dedicated to providing preventive, emergency and acute care services for approximately 22,000 active duty personnel and their dependents. Health care services are also provided directly or coordinated for more than 40,000 retirees, their dependents and other eligible beneficiaries on a space-available basis. 


Dial 118 For Emergency
Dial 911 For Emergency

Veterans Crisis Line

Psychological Health Resource Center | 24/7
(866) 966-1020


Need Professional Medical Advice?
nurse advice line logo
Call the MHS Nurse Advice Line
24hrs, 7 days a week
1-800-TRICARE or
Option 1

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