Dr. Siu is a licensed Internal Medicine in TX. Graduated in 2006. Medical degree obtained from University of Puerto Rico School of Medicine. Completed residency training at San Juan City Hospital. Currently practices at Shannon Medical Center (Shannon Medical Center), located at 120 E. Beauregard, San Angelo, TX 76903. Dr. Siu specializes in internal medicine and primary care.. In addition to English, Dr. Siu speaks Cantonese.