Dr. Douglas Robert Shumaker, MD

Dr. Douglas Shumaker is an internal medicine physician with nearly five decades of medical experience. He earned his medical degree from George Washington University School of Medicine & Health Sciences and completed his residency training at the University of Pennsylvania Health System. With 49 years in practice, Dr. Shumaker brings extensive knowledge to his specialty of internal medicine. He is fluent in both Spanish and English.

Dr. Shumaker practices at Adventist Healthcare Shady Grove Medical Center in Rockville, Maryland, with additional locations in Gaithersburg. He treats patients with arm pain and muscle weakness, helping those who experience loss of trunk control. His therapeutic approach includes physical therapy techniques and strength training programs. Dr. Shumaker also incorporates manual therapy into his treatment plans to help patients regain function and mobility. Patients rate him an average of 4.6 out of 5 stars.