Colon Surgeons & Rectal Surgeons near Valhalla, NY

Biography: Makram Gedeon, MD, is a double board-certified bariatric and colorectal surgeon specialized in minimally-invasive approaches to colorectal and bariatric surgery. Dr. Gedeon is part of both the Colorectal Surgery team at several locations throughout New York and New Jersey and the Center for Advanced Surgery at Lawrence Hospital and Hudson Valley. Dr. Gedeon received his medical degree from the American University of Beirut in 2002 before completing an internship in surgery at the Mayo Clinic and a general surgery residency at the University of Texas Southwestern. He has undergone two fellowships - one in minimally-invasive surgery at the University of Texas Southwestern and another in colon and rectal surgery at NewYork-Presbyterian. Following his residency training, Dr. Gedeon spent ten years in a busy community hospital practice in Bristol, Connecticut, where he helped start and grow the practice's weight loss surgery program and served as its medical director until the end of 2018. Clinically, Dr. Gedeon is interested in the application of minimally-invasive and robotic surgery to treat colorectal diseases and obesity, specializing in bariatric surgery and revisions. His research focuses include surgical technology and clinical outcomes. He is fluent in English, Arabic and French.

Biography: Dr. Dionigi is a double board certified colon and rectal surgeon with a specific interest and expertise in colon and rectal cancer, polyposis syndromes, re-operative colorectal surgery, as well as robotic and minimally invasive procedures. Dr. Dionigi obtained her medical degree with highest honors from the University of Pavia, Italy. After a surgical internship at NewYork-Presbyterian/Weill Cornell Medical Center in New York, she completed her general surgery residency at the Brigham and Women's Hospital Harvard Medical School in Boston. During this time, she also did a two-year translational research fellowship related to mesenchymal stem cells at Boston Children Hospital. She then completed a colon and rectal surgery fellowship at the Salvati Fellowship Program at Rutgers Robert Wood Johnson in New Jersey, followed by two years of advanced training in complex reoperative colorectal surgery at the Cleveland Clinic Foundation in Ohio. Dr. Dionigi then joined the Division of Colorectal Surgery at NewYork-Presbyterian/Columbia University Irving Medical Center as Assistant Professor of Surgery. Since her arrival at NYP/Columbia, she has created the Women in Surgery Association (WINGS) first of its kind at Columbia with the goal of promoting women in leadership, she has served as Associate Program Director of the General Surgery Residency Program, and she is the founder and co-Chair of the collaborative translational project on Early Onset Colon and Rectal Cancer within the Columbia Research Cancer Center. Her dedication to the education of surgery residents was recognized with the 2023 Teacher Award. She is the author of several publications, received national and international awards for her research, and has been an invited speaker to national and international meetings.