Undergraduate - Binghamton University, State University of New York

Medical School - Stony Brook University School of Medicine

Residency - NYU School of Medicine

Fellowship - Memorial Sloan-Kettering Cancer Center

Dr. Dorfman received his bachelors degree from the State University of New York at Binghamton and his medical degree from Stony Brook University School of Medicine.  Subsequently, he did his training in Internal Medicine at the NYU School of Medicine and then completed his Gastroenterology fellowship at Memorial Sloan Kettering Cancer Center in New York City.   Dr. Dorfman's interests include colorectal cancer screening, esophageal reflux disease, Barrett’s esophagus, swallowing disorders, Inflammatory Bowel Disease, esophageal and stomach tumors, pancreatic and biliary diseases.  He is a Clinical Instructor of Medicine at the Yale University School of medicine where he engages in a variety of teaching activities.

Dr. Dorfman sees patients at the practice's Branford and Westbrook offices.  He performs endoscopies and colonoscopies at the practice's surgical center in Branford, as well as at the Yale New Haven Hospital (YNHH) Saint Raphael Campus.  He is also trained in more-advanced endoscopic techniques, including radio frequency ablation (RFA) for the treatment of dysplastic Barrett's Esophagus.   He lives in Guilford with his wife and two children.