Andrew Duffy MD FACS FASMBS, DABS-FPDMBS
Bariatric Surgery, Minimally Invasive Surgery
Associate Professor of Surgery, Yale University Interim General Surgery Residency Program Director
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800 Boston Post Rdbuilding 3Guilford, CT 06437
Phone+1 203-785-6060
Fax+1 203-785-6666
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Summary
- My practice focuses on routine and complex revisional surgery in foregut, bariatrics and hernia.
I am the Associate Surgical Director of the Digestive Health Service line at Yale New Haven Health System and the Director of the YNHHS Hernia Center
Education & Training
UMass Chan Medical SchoolResidency, Surgery, 1996 - 2003- University of Massachusetts Medical SchoolClass of 1996
Boston CollegeBS, Biochemistry , Magna Cum Laude, Scholar of the College
Certifications & Licensure
CT State Medical License 2004 - 2026
NY State Medical License 2003 - 2005
American Board of Surgery Surgery
Awards, Honors, & Recognition
- FASMBS
- CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2012, 2014, 2016-2017
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory - Core EMR, Epic Systems Corporation, 2012, 2014, 2016-2017
Publications & Presentations
PubMed
- The impact of adjuvant anti-obesity medications on 10-year weight loss outcomes after sleeve gastrectomy.Matthew A Hornick, Andrew J Duffy, Neil R Floch, John M Morton
International Journal of Obesity. 2026-05-30 - Impact of multidisciplinary steatotic liver disease management on bariatric surgery referral and clinical outcomes: A retrospective cohort study.Andrew W Schwartz, Emily Y Park, Ysabel C Ilagan-Ying, Zoe E Zimmerman, Bryan Bollinger
World Journal of Hepatology. 2026-01-27 - 2 citationsA Case of Intussusception With Bowel Obstruction in a Gastric Roux-en-Y Patient Prescribed Semaglutide.Suresh K Pavuluri, Ahmad Toumar, Andrew J Duffy
Journal of the American College of Emergency Physicians Open. 2025-04-01
Journal Articles
- Safety and Feasibility of a Lower-Cost Stapler in Bariatric SurgeryKurt E Roberts, Andrew J Duffy, Obesity Surgery
Press Mentions
2023 ‘Top Doctors’ List Features Over 250 Yale Medicine PhysiciansMay 3rd, 2023- Connecticut Magazine’s 2023 “Top Doctors” Issue Recognizes 82 Smilow Cancer Hospital and Yale Cancer Center PhysiciansMay 1st, 2023
Safety and Feasibility of a Lower-Cost Stapler in Bariatric SurgeryNovember 8th, 2018
Professional Memberships
- Fellow
- Fellow
- Society of American Gastrointestinal and Endoscopic SurgeonsMember
- Americas Hernias SocietyMember
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