Our Faculty

Yale Surgery provides comprehensive services in every surgical specialty and subspecialty for adult and pediatric patients. Yale surgeons are trained and experienced in the most up–to–date techniques, offering minimally invasive, endoscopic and laparoscopic procedures as an alternative to more invasive surgeries, for qualifying candidates.

Organizations on this page

Bariatric Surgery Program

Bio Profile

Walter E Longo, MD, MBA, FACS, FASCRS

Professor of Surgery (Gastrointestinal) and of Obstetrics, Gynecology, and Reproductive Sciences

Section Chief

Director, Colon and Rectal Surgery

Director of Surgical Education

Bio Profile

Andrew Duffy, MD, FACS, FASMBS

Associate Professor of Surgery (Gastrointestinal)

Director, Bariatric and Metabolic Surgery Yale-New Haven Health System

Bio Profile

Saber Ghiassi, MD, MPH, FACS

Assistant Professor of Surgery (Gastrointestinal)

Site Director of Bariatric and Metabolic Surgery at Bridgeport Hospital

Bio Profile

Matthew Owen Hubbard, MD, MS

Assistant Professor of Surgery (Gastrointestinal)

Bio Profile

Geoffrey Nadzam, MD, FACS

Assistant Professor of Surgery (Gastrointestinal)

Site Director, Surgical Residency Program

Site Director, Bariatric Surgery Program at St. Raphael's Campus

Bio Profile

Kurt Eric Roberts, MD, FACS

Associate Professor of Surgery (Gastrointestinal)

Are You A Patient?

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Please visit YaleMedicine.org to learn more about what we offer adult and pediatric patients needing surgical treatment and our comprehensive care for a full range of conditions and diseases, from the most common to the most complicated.