Associated Gastroenterologists of CNY https://validator.w3.org/feed/docs/rss2.html Chelsey R. Brooks, PA-C Careers Stacey Jantsch, MSN, AGNP-BC Kelly North, PA-C Billing Info More Patient Info/FAQ Kaylyn Amuso, NP Team Dr. Christine Granato Dr. Rayees Nizam Qun Xu, RN, FNP Dr. John Sun Dr. Scott Edison Rachel Babiarz, NP Kathryn D. Alder, NP Dr. Theodore Koh Karen R. Simbari, NP Dr. Thomas Lee Dr. Margaret Spinosa Dr. Margaret Bailey Contact Info Medical Conditions Procedures Northeast Medical Center Upper GI Endoscopy Colonoscopy Endoscopic Ultrasound (EUS) Barrett´s Esophagus Colon Polyps and Cancer Constipation Brittonfield Locations Dr. Margaret Spinosa Township 5 Medical Park Diverticulosis & Diverticulitis GastroEsophageal Reflux Disease Hepatitis HIPAA Notice of Privacy Practices Home