Dr. Dianna Yan is a Maryland state licensed medical doctor, specializing in Obstetrics Gynecology. Graduated Magna Cum Laude from Texas Tech University El Paso Health Sciences Center, completed residency training in Flushing Hospital, Dr. Yan currently is working at Dianna Yan MD OB/GYN, located in 8911 Shady Grove Ct #A Gaithersburg MD 20877 Please call +1-301-963-0900 to contact. Access cdoc101.com on a desktop computer to view more details. | |||