New Search Moustafa Said Ahmed M.D., AGAF (301) 695-7000 Department Medicine Specialty Gastroenterology Primary Office Address: Digestive Disease Solutions 804 Toll House Ave Frederick, MD 21701 Phone: (301) 695-7000 Recommend this Physician Get Directions Education Undergraduate - HOOD COLLEGE Medical School - The George Washington University Internship - University of Florida College of Medicine Residency - University of Florida College of Medicine Fellowship - Georgetown University Hospital Board Certifications American Board of Internal Medicine American Board of Internal Medicine