Health Services

Allergy and Immunizations

Services Provided

The Mike O’Callaghan Military Medical Center Immunizations Clinic currently serves the following:

  • Active duty service members
  • Beneficiaries ages 0 to 17 years of age
  • Contractors working at the Child Development Center
  • Beneficiaries pending accession into the Department of Defense
  • Pregnant patients at 27 weeks gestation or later needing Tdap
  • International travelers with a prescription from a licensed provider for needed travel vaccinations
  • Patients of the Hematology/Oncology clinics for routine, age-based vaccines
  • All beneficiaries with a prescription from a licensed provider for non-age-based vaccines
Please note:
  • Active Duty service members may walk-in for immunizations needed
  • Immunizations for other beneficiaries are offered by appointment only
  • A prescription is required for RSV vaccines for pregnant women and adults aged 60 and older
  • Pediatric RSV is not available in the immunization clinic, coordinate this with Pediatrics
  • Moderna COVID-19 vaccines are available for all patients 6 months and older

For all other beneficiaries, please visit to get your age-appropriate vaccines for free at a TRICARE-authorized network pharmacy.

Tuberculosis (TB) Testing

Tuberculosis test through QuantiFERON blood test is available to all beneficiaries. These tests must be ordered through Public Health. Blood is drawn by the Laboratory.

If you require a PPD TB test specifically, please obtain a memo from Public Health prior to visiting the Immunization Clinic for test placement. 

Updating Records

If you or your beneficiaries received a vaccine off-base, you may update your records by sending a scanned copy of any vaccine administered off base to the “Nellis Immunizations Clinic” mailbox in the MHS GENESIS Patient Portal. Scanned copies must include:

  • Patient name
  • Patient date of birth
  • Vaccine(s) given with lot numbers

Contact Us




Clinic Hours
Mondays, Tuesdays, Thursdays, Fridays, 7:30 a.m. to 4:30 p.m.
Wednesdays, 9:30 a.m. to 4:30 p.m.

Walk-in Vaccine Administration for Active-Duty Service Members
Mondays, Tuesdays, Thursdays, Fridays
7:30 a.m. to noon
1 p.m. to 4 p.m.*
9:30 a.m. to noon
1 p.m. to 4 p.m.*

*Vaccine check-ins after 2:30 p.m. are not guaranteed same-day service

Scheduled Closures


4700 Las Vegas Blvd. North
Building 1300, First Floor
Nellis Air Force Base, Nevada 89191


Patient Portal

Send a message to “Nellis Immunizations Clinic”

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