About
Brian McMullin, DO, joined the Atlas Internal Medicine team in January 2026. He earned a Bachelor of Science in Biology from Brigham Young University before completing his Doctor of Osteopathic Medicine at Midwestern University in 2013. He then completed a Family Medicine residency at Fort Belvoir Community Hospital.
S. Air Force. He served as a Flight Surgeon supporting Air Force pilots and personnel worldwide, then as Chief of Aerospace Medicine at Laughlin AFB, and later as Medical Director of Flight Medicine at Nellis AFB. He holds board certification in Family Medicine. His clinical focus includes acute and urgent care, chronic disease management, hormone replacement therapy, osteopathic care, men's health, preventive medicine, and medically supervised weight management with GLP-1 medications. Dr. McMullin believes medicine works best when physicians take the time to truly listen and develop individualized health plans for each patient.
Education & Training
Undergraduate
Brigham Young University, B.S. Biology
Medical School
Midwestern University (2013)
Residency
Family Medicine, Fort Belvoir Community Hospital
Additional Training
Chief of Aerospace Medicine, Laughlin AFB; Medical Director of Flight Medicine, Nellis AFB; Flight Surgeon, U.S. Air Force
Certifications
Conditions Treated
Who is Dr. McMullin right for?
Dr. McMullin is well suited for adults who want a primary care physician with broad clinical depth and a hands-on osteopathic approach. Patients managing chronic conditions, hormone imbalance, or weight concerns benefit from his individualized planning style. Men seeking testosterone therapy oversight or preventive health strategies find his expertise particularly relevant. His military medicine background also makes him a natural fit for patients who value structured, thorough medical evaluation.
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Frequently Asked Questions
Dr. McMullin earned his Doctor of Osteopathic Medicine from Midwestern University in 2013 and completed a Family Medicine residency at Fort Belvoir Community Hospital. S. Air Force, including Flight Surgeon, Chief of Aerospace Medicine at Laughlin AFB, and Medical Director of Flight Medicine at Nellis AFB.
Yes. Dr. McMullin holds board certification in Family Medicine. He brings extensive experience from both military and civilian clinical settings.
Dr. McMullin treats acute illness, chronic disease, hormone imbalance, obesity, geriatric health conditions, and men's health concerns including hypogonadism. He also incorporates osteopathic care into his practice and offers preventive health planning.
Yes. As a Doctor of Osteopathic Medicine, Dr. McMullin integrates osteopathic principles into his patient care. This approach considers the whole person and the relationship between structure and function when addressing health concerns.
Dr. McMullin believes that good medicine requires time to truly listen to each patient. He develops individualized health and wellness plans rather than applying one-size-fits-all protocols. His military medicine background reinforced his commitment to thorough, structured evaluation.
Yes. Dr. McMullin provides hormone replacement therapy, including bioidentical hormone options, along with safe testosterone therapy oversight for men. He also offers medically supervised weight management with nutrition counseling, exercise guidance, and GLP-1 medication management.
Dr. McMullin joined the Atlas Internal Medicine team in January 2026. He brought extensive experience in both military aviation medicine and civilian family practice to the practice.
Doctor profile last updated April 11, 2026