About Peter MacArthur, MD
Dr. MacArthur is a primary care physician board certified in Family Medicine with a Certificate of Added Qualification in Sports Medicine. He has a special interest in the prevention and management of all musculoskeletal and athletic injuries, as well as the use of diagnostic ultrasound, therapeutic platelet-rich plasma, prolotherapy, regenerative stem cell injections and ultrasound-guided procedures.
Dr. MacArthur currently serves as a team physician for the Washington Football Team and a consultant physician for the Washington Nationals. Before he joined Inova, Dr. MacArthur also served as a fellow team physician for D.C. United and the Potomac Nationals (Minor League Baseball).
Dr. MacArthur became interested in Sports Medicine because of his own interest in sports and active living. His goal is to help his patients of all ages return to their desired activity level as quickly and safely as possible.
A native of the DC metropolitan area, Dr. MacArthur currently resides in Capitol Hill. In his spare time he enjoys running, biking, participating in recreational sports and spending time with his family. He has completed the Baltimore Marathon and numerous other races.
- Top Docs, Washingtonian, 2020
Late vs. Early Sports Specialization
In this episode of Inova’s “Ask the Doctor,” Sports Medicine Physician Dr. Peter MacArthur tackles the issue of early vs. late sports specialization and if it leads to overall successful performance and careers.
Listen to this podcast
Use of Supplements in Athletes
In this episode of Inova’s “Ask the Doctor,” Sports Medicine Physician Dr. Peter MacArthur weighs the potential benefits and motivations for using supplements vs. the risks. Listen to this podcast
Sports Nutrition and Hydration
In this episode of Inova’s “Ask the Doctor,” Sports Medicine Physician Dr. Peter MacArthur explains the principles of good nutrition for athletes and how nutritional needs change based on the intensity level of the activity. Listen to this podcast
Research and Publications
Medical EducationUniversity of Maryland School of Medicine 2011
Training Specialty: Family Medicine
6/1/2011 - 6/1/2014
Training Specialty: Sports Medicine
7/1/2014 - 6/30/2015