Health Services

Allergy and Immunizations

Services Provided

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

  • COVID-19 vaccine to all beneficiaries ages five and older
  • COVID-19 booster to all eligible beneficiaries 18 years and older
  • Influenza vaccine to all beneficiaries six months and older
  • Active duty service members
  • Beneficiaries ages seven and younger
  • Children with developmental disabilities
  • Pregnant patients at 27 weeks gestation or later needing Tdap
  • International travelers with a prescription from a licensed provider for needed travel vaccinations
  • All beneficiaries with a prescription from a licensed provider for non-age-based vaccines
For all other beneficiaries, please visit to get your age-appropriate vaccines for free at a TRICARE-authorized network pharmacy.

Important Information

Tuberculosis (TB) Testing

Quantiferon-TB blood testing (preferred) and PPD testing is available to all beneficiaries. Quantiferon-TB blood tests may be ordered by the Immunizations Clinic upon request. Blood is drawn for this test by the Laboratory Monday through Thursday before 3:00 p.m.

PPD tests must be read in the Immunizations Clinic within 48-72 hours after placement. PPD tests are placed on Mondays, Tuesdays, Wednesdays, and Fridays.

Contact Us




Clinic Hours
7:30 a.m. to 4:30 p.m.

Vaccine Administration
7:30 a.m. to 12:00 p.m.
1:00 p.m. to 4:00 p.m.*

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


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

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