Dr. Peng is a licensed Internal Medicine in IA. Graduated in 1992. Medical degree obtained from Hunan, Xiangya School of Medicine in China. Completed residency training at Montefiore Health System. Currently practices at Mercy Medical Cente (Mercy Medical Cente), located at 1000 4th St, Mason City, IA 50401. Dr. Peng specializes in hospital medicine(inpatient services).. In addition to English, Dr. Peng speaks Mandarin and accepts new patients.