Board Certifications

  • Internal Medicine
  • Pulmonology

Area of Expertise

  • Asthma
  • Critical Care Medicine
  • Diving Medicine
  • Interstitial Lung Disease
  • Lung Cancer
  • Pleural Diseases
  • Shortness of Breath



US Naval Medical Center
Pulmonary Medicine
San Diego, CA

Internship and Residency

US Naval Medical Center
Internal Medicine
San Diego, CA
1993 and 1995

Medical School

Boston University School of Medicine
Doctor of Medicine
Boston, MA

Undergraduate School

Rutgers University
Bachelor of Science
New Brunswick, NJ

Hospitals Affiliated With

Holy Cross Hospital Germantown
Shady Grove Adventist
Suburban Hospital

Professional Association

American College of Chest Physicians


“Brain hypoxia is exacerbated in hypobaria during aeromedical evacuation in swine with TBI.” Journal of Trauma and Acute Care Surgery (2016): Scultetus, A. H., Haque, A., Chun, S. J., Hazzard, B., Mahon, R. T., Harssema, M. J., Auker, C. R., Moon-Massat, P., Malone, D. L., McCarron, R. M.

“Cardiovascular parameters in a mixed-sex swine study of severe decompression sickness treated with the emulsified perfluorocarbon Oxycyte.” Journal of Applied Physiology (2014): Mahon, R. T., Cronin, W. A., Bodo, M., Tirumala, S., Regis, D. P., Auker, C. R.

“Dodecafluoropentane (DDFPe) and Decompression Sickness-Related Mortality in Rats.” Aviation, Space, and Environmental Medicine (2015): Sheppard, R. L., Regis, D. P., Mahon, R. T.

Academic Appointment

Uniformed Services University of the Health Sciences
Assistant Professor of Medicine


Richard T. Mahon, MD is passionate about Pulmonology and working closely with his patients across the Gaithersburg area to help them achieve their optimal health. Dr. Mahon went to Boston University School of Medicine in Boston, MA, and completed his post-doctoral residency training at the US Naval Medical Center in San Diego, CA. Additionally, Dr. Mahon specializes in Internal Medicine and innovative Critical Care Medicine.