Geoffrey Scott Nadzam, MD, MHA, FACS
Associate Professor of Surgery (Bariatric, Minimally Invasive)Cards
Additional Titles
Chief of Surgery, Lawrence + Memorial Hospital
Director of Bariatric Surgery, Lawrence + Memorial Hospital
Contact Info
Bariatric & Minimally Invasive Surgery
196 Waterford Parkway South
Wartford, CT 06385
United States
About
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Titles
Associate Professor of Surgery (Bariatric, Minimally Invasive)
Chief of Surgery, Lawrence + Memorial Hospital; Director of Bariatric Surgery, Lawrence + Memorial Hospital
Biography
Dr. Geoffrey Nadzam is fellowship trained in laparoscopic bariatric and robotics procedures. Dr. Nadzam earned his B.A. in biology from Rutgers College in New Brunswick, NJ and earned his M.D. from UMDNJ - New Jersey Medical School in Newark, NJ. He completed a residency in general surgery and a Minimally Invasive Surgery Fellowship at Stanford University Medical Center in Palo Alto, California. Most recently, Dr. Nadzam earned a master's in healthcare administration (MHA) from Cornell University.
Dr. Nadzam previously served as the Director of Robotic Surgery and the Director of Center for Obesity Surgery at the Hospital of St. Raphael. He also served as Site Director for Bariatric Surgery at St. Raphael’s campus and Site Director of the Surgical Residency Program. He served as the Medical Director of Surgical Services for the Saint Raphael Campus of Yale New Haven Hospital before being appointed to his current role as Chair of Surgery at Lawrence + Memorial Hospital.
Education & Training
- MHA
- Cornell University (2023)
- Fellowship
- Stanford University Medical Center (2004)
- Residency
- Stanford Univ. Medical Center (2003)
- Residency
- University of Medicine & Dentistry of New Jersey (2000)
- MD
- New Jersey Medical School (1996)
- BA
- Rutgers University, Biology (1992)
Research
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Research at a Glance
Yale Co-Authors
Publications Timeline
Saber Ghiassi, MD, MPH, FACS, FASMBS
Andrew Duffy, MD, FACS, FASMBS
Lee Ying, MD, PhD, MS, MPhil
John Morton, MD, MPH, MHA, BS, FACS, FASMBS
Elena Graetz, PhD
Maija Cheung, MD, FACS
Publications
2024
Ventral hernia repair with permanent mesh for non-Hispanic black versus white patients: access and post-operative outcomes in the era of robotic surgery
Chao G, Ying L, Huang L, Ma J, Ghiassi S, Gibbs K, Nadzam G, Morton J, Duffy A, Zhou R. Ventral hernia repair with permanent mesh for non-Hispanic black versus white patients: access and post-operative outcomes in the era of robotic surgery. Surgical Endoscopy 2024, 39: 560-567. PMID: 39433584, DOI: 10.1007/s00464-024-11252-5.Peer-Reviewed Original ResearchAltmetricConceptsRobotic surgeryVentral hernia repairBlack patientsHernia repairPermanent meshT-scoreEra of robotic surgeryAbdominal Core Health Quality CollaborativeRate of laparoscopyHigher pain scoresPatient outcomesPost-operative outcomesSurgical site infectionPropensity-score matchingVentral hernia surgeryRecurrence scoreChi-square testPain scoresSite infectionFisher's exactHernia recurrenceOpen approachHernia surgeryWhite patientsSurgeryWeight Nadir and Long-Term Weight Outcomes After Laparoscopic Sleeve Gastrectomy in a Diverse Cohort of Adolescents and Young Adults
Hornick M, Chao G, Ying L, Nadzam G, Duffy A, Ghiassi S, Graetz E, Gibbs K, Morton J. Weight Nadir and Long-Term Weight Outcomes After Laparoscopic Sleeve Gastrectomy in a Diverse Cohort of Adolescents and Young Adults. Obesity Surgery 2024, 34: 2965-2973. PMID: 38935262, DOI: 10.1007/s11695-024-07374-3.Peer-Reviewed Original ResearchCitationsConceptsPreoperative weightSleeve gastrectomyWeight nadirWeight outcomesIntroductionLaparoscopic sleeve gastrectomyLaparoscopic sleeve gastrectomyGroup of patientsWeight loss strategiesYoung adultsDiverse group of patientsCohort of adolescentsLongitudinal weight dataBariatric proceduresFollow-upNon-Hispanic blacksLoss strategiesMedical recordsPatientsTWLLSGWeight dataWeight recurrenceDiverse cohortGastrectomyWeight changeAmerican society for metabolic and bariatric surgery: intra-operative care pathway for minimally invasive Roux-en-Y gastric bypass
Lin H, Baker J, Meister K, Lak K, Martin Del Campo S, Smith A, Needleman B, Nadzam G, Ying L, Varban O, Reyes A, Breckenbridge J, Tabone L, Gentles C, Echeverri C, Jones S, Gould J, Vosburg W, Jones D, Edwards M, Nimeri A, Kindel T, Petrick A. American society for metabolic and bariatric surgery: intra-operative care pathway for minimally invasive Roux-en-Y gastric bypass. Surgery For Obesity And Related Diseases 2024, 20: 895-909. PMID: 39097472, DOI: 10.1016/j.soard.2024.06.002.Peer-Reviewed Original ResearchCitationsAltmetricCollateral Benefit of Systematic Improvement in Bariatric Surgery Outcomes Following a Single Quality Improvement Project for Bleeding
Chao G, Nadzam G, Cheung M, Duffy A, Ghiassi S, Morton J. Collateral Benefit of Systematic Improvement in Bariatric Surgery Outcomes Following a Single Quality Improvement Project for Bleeding. Obesity Surgery 2024, 34: 1041-1044. PMID: 38280157, DOI: 10.1007/s11695-023-07037-9.Peer-Reviewed Original ResearchMeSH Keywords and ConceptsConceptsQuality improvement projectImprovement projectImprove patient careTargeted quality improvement projectsVenous thromboembolism prophylaxisPatient careRoot cause analysisBariatric surgery outcomesIndications conferencePatient outcomesPostoperative complicationsThromboembolism prophylaxisSurgery outcomesStudy aimCause analysisAdverse outcomesBleedingImprove outcomesOutcomesTechnique standardization
2020
Tu2025 CHARACTERIZING AND ASSESSING PUBLICATIONS FROM THE MBSAQIP-PUF
Ying L, Nadzam G, Morton J. Tu2025 CHARACTERIZING AND ASSESSING PUBLICATIONS FROM THE MBSAQIP-PUF. Gastroenterology 2020, 158: s-1591. DOI: 10.1016/s0016-5085(20)34668-0.Peer-Reviewed Original Research
2019
Adjuvant Pharmaceutical Therapy for Perioperative Use in Bariatric Surgery
Morton J, Ghiassi S, Nadzam G. Adjuvant Pharmaceutical Therapy for Perioperative Use in Bariatric Surgery. 2019, 619-624. DOI: 10.1007/978-3-030-27021-6_56.Peer-Reviewed Original ResearchA246 High-Grade Small Bowel Obstruction Caused by Adjustable Gastric Band Tubing
Francis A, Duffy A, Nadzam G, Ghiassi S. A246 High-Grade Small Bowel Obstruction Caused by Adjustable Gastric Band Tubing. Surgery For Obesity And Related Diseases 2019, 15: s89. DOI: 10.1016/j.soard.2019.08.191.Peer-Reviewed Original Research
2018
A316 Intraoperative blood pressure lability in patients requiring blood transfusions after bariatric surgery
Ying L, Hubbard M, Ghiassi S, Roberts K, Duffy A, Nadzam G. A316 Intraoperative blood pressure lability in patients requiring blood transfusions after bariatric surgery. Surgery For Obesity And Related Diseases 2018, 14: s113. DOI: 10.1016/j.soard.2018.09.239.Peer-Reviewed Original Research
2017
Impact of preoperative wait time due to insurance-mandated medically supervised diets on weight loss after sleeve gastrectomy. Are patients losing momentum?
Ying LD, Duffy AJ, Roberts KE, Ghiassi S, Hubbard MO, Nadzam GS. Impact of preoperative wait time due to insurance-mandated medically supervised diets on weight loss after sleeve gastrectomy. Are patients losing momentum? Surgery For Obesity And Related Diseases 2017, 13: 1584-1589. PMID: 28663074, DOI: 10.1016/j.soard.2017.05.017.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsPostoperative weight lossPreoperative wait timePreoperative weight lossWeight lossSleeve gastrectomyPreoperative dietPreoperative periodSurgical weight loss programShorter preoperative periodRetrospective chart reviewDay of surgeryWeight loss programGreater weight lossAcademic medical centerWait timeLifestyle modificationChart reviewConsecutive patientsPostoperative percentageSingle surgeonReduction dietLoss programEarly initiationMedical CenterNet weight loss
2016
493 Laparoscopic Duodenoduodenostomy: A Minimally Invasive Technique for the Managment of Duodenal Obstruction Due to Annular Pancreas
Salluzzo J, Wood S, Hubbard M, Ghiassi S, Nadzam G, Roberts K, Longo W, Duffy A. 493 Laparoscopic Duodenoduodenostomy: A Minimally Invasive Technique for the Managment of Duodenal Obstruction Due to Annular Pancreas. Gastroenterology 2016, 150: s1185. DOI: 10.1016/s0016-5085(16)34000-8.Peer-Reviewed Original Research
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Bariatric & Minimally Invasive Surgery
196 Waterford Parkway South
Wartford, CT 06385
United States