Dr. Cheng is a licensed Internal Medicine in MD. Graduated in 1987. Medical degree obtained from University of Maryland School of Medicine. Completed residency training at Mercy Medical Center. Currently practices at Johns Hopkins Medicine (Johns Hopkins Medicine), located at 5450 Knoll North Dr, Columbia, MD 21045. Dr. Cheng specializes in internal medicine and primary care.. In addition to English, Dr. Cheng speaks Cantonese.