Dr. Chien is a licensed Dermatology in MD. Graduated in 2005. Medical degree obtained from University of Chicago School of Medicine. Completed residency training at Marshall University. Currently practices at Johns Hopkins Medicine (Johns Hopkins Medicine), located at 10710 CHarter Dr, Columbia, MD 21044. Dr. Chien specializes in skin aging, photoprotection, rosacea, and general dermatology.. In addition to English, Dr. Chien speaks Mandarin.