Dr. Tan is a licensed Internal Medicine in MD. Graduated in 1983. Medical degree obtained from Shanghai, Shanghai Jiaotong Univ. Sch of Med in China. Completed residency training at Prince George's Hospital. Currently practices at Gaithersburg Laser Aesthetics (Gaithersburg Laser Aesthetics), located at 600 S Frederick Ave, Frederick, MD 20877. Dr. Tan specializes in internal medicine and primary care.. In addition to English, Dr. Tan speaks Mandarin.