Dr. Matthew Cohen was born in Boston, Massachusetts. He earned his Bachelor of Science with Honors in Biology, Magna Cum Laude from Brown University in Providence, Rhode Island, where he volunteered as an Emergency Medical Technician. The year he graduated, Dr. Cohen received the Rhode Island House of Representatives Citizen Recognition Award for outstanding service to the community through the "Adopt-A-Grandparent" Program, which matched Brown University undergraduate students with local nursing home residents.

Dr. Cohen obtained his Medical Degree from the University of Massachusetts in Worcester. During his studies, he was President of the Student Government and volunteered in "Serving the Under-Served," a student-run program which assisted the homeless in the surrounding community.

Dr. Cohen completed his Internship and Residency in Internal Medicine at the University of Rochester School of Medicine and Dentistry in upstate New York. He coordinated educational conferences and was awarded the Department of Medicine's Book Award for outstanding educational contributions to the training program.

Dr. Cohen then moved to New Haven, where he completed his Fellowship in Digestive Diseases at the Yale University School of Medicine, part of which was funded by a Clinical Investigator Award from the National Institutes of Health. He then spent two years on the full-time faculty, funded by a grant from the American Digestive Health Foundation. During that time, he served as Director of the Primary Care Center's Digestive Diseases Clinic at Yale-New Haven Hospital. He is now an Assistant Clinical Professor of Medicine at Yale.

Dr. Cohen's special interests include Helicobacter pylori infection of the stomach, peptic ulcer disease, pancreas disease, bile duct and gallbladder disease, and endoscopic ultrasound, in addition to general gastroenterology. Dr. Cohen has published his research on managing Helicobacter pylori as well as other gastrointestinal infections of the stomach and colon, complications of gallstone pancreatitis and ulcerative colitis, colon cancer syndromes, nutritional support of patients with cancer, and advances in therapeutic endoscopy. In addition, Dr. Cohen has reviewed articles submitted to many journals, including Gastroenterology, Hepatology, UpToDate in Gastroenterology and Hepatology, Journal of Clinical Gastroenterology and Journal of Clinical Epidemiology. He has given lectures on multiple topics to students, practicing clinicians and to the general public throughout the greater New Haven area.

Board-Certified in Gastroenterology, Dr. Cohen is a Fellow of the American College of Physicians and the American Gastroenterological Association, and a member of American College of Gastroenterology, American Society for Gastrointestinal Endoscopy, American Medical Association, Connecticut State Medical Society, and New Haven County Medical Society. Between 2002 and 2006, he served on the American College of Gastroenterology's committee which approves guidelines for clinical care.

Dr. Cohen cares for patients in the Hamden office and the Hospital of Saint Raphael. He has been a member of the Hospital of Saint Raphael's Cancer Committee since 2000, and served on the Department of Medicine's Quality Assurance Committee. In 2001, he received the Teacher of the Year Award from the Hospital's medical interns and residents.