Board Certification

  • Internal Medicine

Areas of Expertise

  • Preventative Medicine
  • Management of Chronic Illness


Internship and Residency

Pinnacle Health Systems
Harrisburg, PA

Medical School

Virginia College of Osteopathic Medicine
Doctor of Osteopathy (DO)

Post Graduate Education

Master’s in Biomedical Sciences
Eastern Virginia Medical School

Undergraduate School

Hampden-Sydney College


Jonathan Siddon, DO, is a board-certified internal medicine physician and the founder of Dogwood Medical Group. His special interests include preventative medicine, patient education and the management of chronic illness. Dr. Siddon received his doctorate of Osteopathic Medicine degree from Virginia College of Osteopathic Medicine in Blacksburg, VA, and he completed his internal medicine internship and residency at Pinnacle Health System, now part of UPMC, in Harrisburg, PA. Upon completion of his residency, Dr. Siddon returned to Northern Virginia and has been proudly serving patients in his home community since 2014.

In his free time, Dr. Siddon enjoys spending time with his wife, his daughter, and their new rescue dog, Henry. He also enjoys spending time outdoors – running and playing golf with friends and family. He is a lifelong fan of all Washington sports teams including the Washington Football Team, the Nationals, and Capitals.