Dr. Xiao is a licensed Gastroenterology in NY. Graduated in 1989. Medical degree obtained from Guangdong, Sun Yat-Sen Medical University in China. Completed residency training at SUNY Downstate Medical Center and fellowship training at SUNY Downstate Medical Center. Currently practices at AGI Medical PLLC (AGI Medical PLLC), located at 717 56th St, Brooklyn, NY 11220. Dr. Xiao specializes in Colon and Rectal Disease, Colonoscopy, Endoscopy, Liver Disease.. In addition to English, Dr. Xiao speaks Mandarin and Cantonese.