Dr. Ruan is a licensed Internal Medicine in TX. Graduated in 2009. Medical degree obtained from Ross University School of Medicine. Completed residency training at New York Hospital Queens. Currently practices at Memorial Hermann Health System (Memorial Hermann Health System), located at 333 West Loop N, Houston, TX 77024. Dr. Ruan specializes in internal medicine and primary care.. In addition to English, Dr. Ruan speaks Mandarin.