Dr. Weiming Ryan Yan is a Maryland state licensed medical doctor, specializing in Gastroenterology. Graduated Magna Cum Laude from Ohio State University College of Medicine, completed residency training in Georgetown University, and completed the Gastroenterology specialist training at West Virginia University. Dr. Yan's clinical interests include Anemia, Barrett's esophagus, Clostridium difficile, colorectal screening. Dr. Yan currently is working at Frederick Gastroenterology Associates, located in 310 West Ninth St, #400, Frederick MD 21701 Dr. Yan's clinic interests include Anemia, Barrett's esophagus, Clostridium difficile, colorectal screening. Please call +1-301-695-6800 to contact. Access cdoc101.com on a desktop computer to view more details. | |||