Dr. Chang is a licensed Infectious Disease in MD. Graduated in 2002. Medical degree obtained from Emory Medical and Dental Schools. Completed residency training at UCSF Health and fellowship training at Johns Hopkins Medicine. Currently practices at Johns Hopkins Medicine (Johns Hopkins Medicine), located at 600 N. Wolfe St, Baltimore, MD 21287. Dr. Chang specializes in HIV/AIDS, Infectious Disease, Infectious Diseases.. In addition to English, Dr. Chang speaks Mandarin.