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Nellis Medical Center

Location information

Mike O'Callaghan Military Medical Center
4700 Las Vegas Blvd North
Bldg 1300, Nellis AFB, NV 89191

map View map and directions

General Hours:  M-F, 7:30am-4:30pm
Emergency Hours:  24 / 7 / 365

Appointment Line: (702) 653-2273 (CARE)
  or Make an Appointment Online


Voice your Concerns!
Patients and Staff members who have concerns about quality of care or patient safety are encouraged to address their concerns through the appropriate channels, including, but not limited to, the unit Patient Advocate Representative, the Hospital Patient Advocate 702-653-2201, Patient Safety, 702-653-3362, or Organizational Improvement, 702-653-2527.

In addition, the MDG Commander/CEO is always interested, ready and able to address any patient concerns at 702-653-2000. 

If your concern is not answered, you have
the right to contact The Joint Commission
(TJC) at 1-800-994-6610 or go to the
Report a Complaint web page at:
http://www.jointcommission.org/ report_a_complaint.aspx.

Secure Messaging

Learn about Secure Messaging
Patient Portal Secure Messaging is a Web-based tool that will enable you to communicate securely and privately with your healthcare team.
Secure Messaging logo


    View all medical locations and phone numbers
  • Dental Clinic
  • Emergency Services
  • Family Health Clinic
  • Family Medicine Residency (FMR)

Pharmacy Information

Main Pharmacy
Open 7 a.m. to 5 p.m. Monday-Friday
Medical Center, first floor, northwest side
(702) 653-3201
Fax: (702) 653-2171

Satellite Pharmacy
Open 8 a.m. to 5 p.m. Monday-Friday
(Opens noon on 2nd Thursday of month)
4311 Carswell Ave, Bldg 340
(702) 653-3201

24-hour Refill Line
(702) 652-5359
or toll-free at (800) 237-8981

New Prescriptions
New hand-written prescriptions may be filled at the satellite pharmacy.  Prescriptions from civilian providers will be filled if the medication is on the hospital's outpatient formulary (a listing of stocked medications).

Prescription Refills
Refills are available through a phone-in refill system and should be picked up at the drive-through windows at the satellite pharmacy.  Listen to the automated message for changes in hours of operation and other important pharmacy information.

TRICARE Mail Order Pharmacy

About the Medical Center

The 99th Medical Group (99 MDG) is comprised of approximately 1400 personnel who are dedicated to providing preventive, emergency and acute care services for approximately 22,000 active-duty members and their dependents.

Health care services are also provided directly or coordinated for over 40,000 retirees, their dependents or other eligible beneficiaries on a space-available basis.

Want to know more?  Read about our residency opportunities.

Ancillary Services

View details about services
  • Appointment Line
  • Online Appointments
  • Patient Advocate

99 MDG Facebook

Facebook Twitter
Heads up for anyone coming to and from the hospital tomorrow. Please give yourself enough time and plan accordingly.
The 99th Medical Group had the honor of hosting ZDoggMD yesterday! If you don’t know who he is.... check out his Facebook page! Thank you so much, ZDoggMD... we hope to see you again soon!
UPDATE: as of 1130, phones appear to be fully operational and beneficiaries should be able to call the Appointment Line. Please be aware of delays, as we are expecting a high volume due to the phones being non-operational this morning. ATTENTION 99 MDG BENEFICIARIES: For those calling into the 99th Medical Group this morning, we are experiencing network outages to include most phone lines being non-operational. Please utilize our online patient portal (tricareonline.com) to book appointments with your Primary Care Manager, request medication refills, view Lab & Radiology results, and to communicate with your provider through Secure Messaging (TOLSecureMessaging.com) Patients may also call our Nurse Advice Line to triage care and schedule appointments. If you are experiencing a medical emergency, please call 911 or go to the nearest Emergency Room. We appreciate your patience and apologize for any inconvenience this may cause.
ATTENTION: FREE CONCERT for all DoD ID card holders!!! WHO: Justin Moore & Runaway June! WHEN: Thursday, 4 April 2019 @ 1600 (4pm) WHERE: Sports Pavilion (across from the Nellis Inn) See ya'll there!!!
Understanding what Qualifying Life Events are when it comes to TRICARE coverage will help guarantee you have the right healthcare coverage. For more information, visit: https://tricare.mil/LifeEvents
MERCY AIR LIFE FLIGHT (in action): Mercy Air was kind enough to participate in an exercise with key personnel and Emergency Department staff from the 99th Medical Group (99 MDG) on Wednesday, 13 March. The purpose of the exercise was to familiarize staff at the 99 MDG with helicopters landing on the helicopter pad. Thank you Mercy Air!
MERCY AIR LIFE FLIGHT: Mercy Air was kind enough to participate in an exercise with key personnel and Emergency Department staff from the 99th Medical Group (99 MDG) on Wednesday, 13 March. The purpose of the exercise was to familiarize staff at the 99 MDG with helicopters landing on the helicopter pad. Thank you Mercy Air!
March is National Nutrition Month! In honor of National Nutrition Month, our very own Nutritional Medicine Clinic is holding FREE classes this month for individuals to improve mental health. These classes will provide functional nutrition education to help patients improve their nutritional status, gut health & mental health by learning about the brain & food connection. Sign up today by calling the Nutritional Medicine Clinic at 702-653-2906.
Stop by the Mike O'Callaghan Military Medical Center on Friday (8 March) from 11am-1pm to register to save lives and be an organ donor. There will be an informational desk and raffle prizes on the first floor by the patient administration/TRICARE desk. More information: www.nvdonor.org/MOMMC
Just a friendly reminder that we (Mike O'Callaghan Military Medical Center) take any and all feedback seriously. We would love to hear from you! Please call our 99th Medical Group Patient Advocate at 702-653-2201 or 702-349-2236. You can also fill out a comment card online at https://ice.disa.mil/
The 99th Medical Group (MDG), Department of Veterans Affairs (VA) and Junior Reserve Officers’ Training Corps (JROTC) took part in an exercise called Operation Foremost Endeavor where injured individuals in a simulated disaster were airlifted to Nellis Air Force Base, Nev., Feb. 19. The exercise was intended to give officials, observers, media personnel and participants information they need to observe or participate in a National Disaster Medical System (NDMS) hospital evacuation, aeromedical evacuation and patient reception exercise. https://www.af.mil/News/Article-Display/Article/1769573/interagency-exercise-boosts-medical-readiness/
WHAT: Blood Drive hosted by 99 MDG WHEN: 1000 hrs - 1400 hrs on Wednesday, 27 February 2019 WHERE: Mike O’Callaghan Military Medical Center (outside near the flag pole) HOW: Appointments can be made online at www.bloodhero.com with CODE: NELLIS. Walk-ins are welcome!
NELLIS HEALTHCARE EVENT: On 14 February, the 99th Medical Group (MDG) had the distinct privilege of hosting our Honorary Commanders and friends of the 99 MDG. The event comprised of visiting multiple locations on Nellis Air Force Base to include the Threat Training Facility, Thunderbirds Hangar, and viewing the Vegas Strong F-15. The day concluded at the Mike O’Callaghan Military Medical Center for lunch and a tour of the facility. The event was an opportunity to show our Las Vegas community partners how much the 99 MDG appreciates their continued support and partnerships.
UPDATE TO WINTER WEATHER ADVISORY: 1) Due to inclement weather, the Mike O’Callaghan Military Medical Center will be opening at 1000 hrs tomorrow morning for normal operations. All appointments and procedures before 1000 hrs will be rescheduled. The Appointment Line will be open starting at 0630 hrs. 2) Only mission essential 99 MDG personnel are required to report before 1000 hrs to support inpatient and emergency department operations. Flight leaders will determine who is mission essential. Appointment Line: 702-653-CARE(2273)
UPDATE TO WINTER WEATHER ADVISORY: 1) Due to inclement weather, all medical appointments and procedures are cancelled on Thursday, 21 Feb. The Main and Satellite Pharmacy will also be closed. Appointments and procedures will be rescheduled. 2) Only mission essential MDG personnel are required to report to work to support inpatient and emergency department operations. Flight leaders will determine who is mission essential.
WINTER WEATHER ADVISORY: 1. Please check our Facebook page tomorrow morning before coming to the facility, due to the unknown of clinic & pharmacy hours with the incoming winter weather tonight. 2. PLEASE drive safe! And only drive on the roads if you must....give yourself enough distance between you and the driver in front of you & drive slower than normal.
99 MDG Commander, Col Flowers & Superintendent, CMSgt Owens recognized SSgt Moses this week for being BRAVE! Take a look at the awesome board she made to support our Commander's moto! B: Be Ready R: Respect A: Attitude V: Value E: Enthusiasm
The Periodic Health Assessment (PHA) Tiger Team just hosted an exciting off-site meeting last week at AFWERX. This Tiger Team, made up of more than eight AFSCs, is taking a serious look at how to streamline PHAs. The 99th Medical Group is thinking outside the box and coming up with innovative solutions for a patient-centered approach to Individual Medical Readiness. To learn about AFWERX’s mission, etc. please visit: https://www.afwerx.af.mil/

Privacy Information

Urgent Care

Dial 118 For Emergency
Dial 911 For Emergency

Urgent After-hours Care
(702) 653-2340
(702) 653-2344

Veterans Crisis Line
Veterans Crisis Line
Defense Centers of Excellence Outreach Center
(Psychological Health, PTSD, Traumatic Brain Injury)
(866) 966-1020
Joint Commission Gold Seal

After Hours Care

Need Professional Medical Advice?
Nurse Advice Line
Call TRICARE's Nurse Advice Line
24hrs, 7 days a week
Option 1

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