Marc Lehrer Greenwald, MD

About

Dr. Greenwald has been practicing colon and rectal surgery at North Shore Hospital since 1991. He is Chief of Colon and Rectal Clinical Services at the hospital and has held many leadership positions including President of the Medical Staff and Chairman of the Medical Board. He has established protocols at North Shore Hospital (Enhanced Recovery) to ensure easy, safe, and rapid recovery after abdominal colon and rectal surgical procedures. Dr. Greenwald is dedicated to minimally invasive (laparoscopic) techniques for all types of colon and rectal surgery, including operations for diverticulitis, colon cancer, rectal cancer, Crohn s disease, Ulcerative Colitis, and rectal prolapse. He is particularly interested in sphincter sparing proced...