Dr. Jiang is a licensed Internal Medicine in MO. Medical degree obtained from Saint Louis University School of Medicine. Completed residency training at Mercy Hospital. Currently practices at Mercy Health Missouri (Mercy Health Missouri), located at 12700 Southfork Rd, Saint Louis, MO 63128. Dr. Jiang specializes in internal medicine, primary care.. In addition to English, Dr. Jiang speaks Mandarin and accepts new patients.