The page you requested has been Deleted Please try the following: Collapse All | Expand All Home About Us Our Practice Our Doctors Igor Grosman, DO, FASG Alexander Brun, MD Prateek Chapalamadugu, MD Nancy Chen, MD Ilona Rabinovich Konstantin Peysin, DO Yevgeniy Mikityanskiy, DO Dmitriy O. Khodorskiy, M.D. Sean Burnett Dina Levkova Locations Bushwick Brooklyn Staten Island Bronx Services Upper Endoscopy Colonoscopy Flexible Sigmoidoscopy Colon Cancer Screening Capsule Endoscopy Hemorrhoid Ligation + Infrared Coagulation Therapy Weight Management Fibroscan Breath Testing Endoscopic Ultrasound ERCP (Endoscopic Retrograde Cholangiopancreatography) Endoscopy Treatments Treatment for Irritable Bowel Syndrome Treatment for Celiac Disease Treatment for Hemorrhoids Treatment for Hepatitis C Treatment for Peptic Ulcer Treatment for Colon Cancer Treatment for Gastritis Treatment for Anal Bleeding Treatment for GERD & Heartburn Resources Patient Portal Endoscopy Instructions Privacy Policy Video Archive Blog Diseases/conditions Medical Research Lifestyle and Diet Information Procedures Advice Testimonials Contact Make an Appointment Accessibility Statement HIPAA Policy Cookie Policy