John Morton

John Morton Professor, Department of Surgery; Chief, Bariatric and Minimally Invasive Surgery; Director of the Bariatric and Metabolic Interdisciplinary Clinic, Stanford University School of Medicine


Research Description: Dr. Morton’s research has focused on quality improvement and bariatric surgery and has published influential articles on patient safety, adolescent bariatric surgery, diabetes and gastric bypass, and other areas related to diabetes research. His current investigative program includes examining the impact of obesity management through medical weight-loss and surgical interventions. He has led five site FDA Pivotal Trials and have received funding from National Institutes of Health. He is past president of the American Society of Metabolic and Bariatric Surgeons (2014-15). His active collaborations with Stanford DRC members including Drs. G. Gurtner and T. McLaughlin are noted below.


Selected relevant publications (Stanford DRC Members in BOLD):

  1. Kim SH, Liu TC, Abbasi F, Lamendola C, Morton JM, Reaven GM, McLaughlin TL. Plasma glucose and insulin regulation is abnormal following gastric bypass surgery with or without neuroglycopenia. Obes Surg. 2009 Nov;19(11):1550-6.
  2. Liu A, McLaughlin T, Liu T, Sherman A, Yee G, Abbasi F, Lamendola C, Morton JM, Cushman SW, Reaven GM, Tsao PS. Differential intra-abdominal adipose tissue profiling in obese, insulin-resistant women. Obes Surg. 2009 Nov;19(11):1564-73.
  3. Silva RA, Morton JM, Moshfeghi DM. Severe worsening of diabetic retinopathy following bariatric surgery. Ophthalmic Surg Lasers Imaging Retina. 2013 Oct 18;44 Online(6):E11-4.
  4. McLaughlin T, Liu LF, Lamendola C, Shen L, Morton JM, Rivas H, Winer D, Tolentino L, Choi O, Zhang H, Hui Yen Chng M, Engleman E. T-cell profile in adipose tissue is associated with insulin resistance and systemic inflammation in humans. Arterioscler Thromb Vasc Biol. 2014 Dec;34(12):2637-43.
  5. Berger ER, Clements RH, Morton JM, Huffman KM, Wolfe BM, Nguyen NT, Ko CY, Hutter MM. The Impact of Different Surgical Techniques on Outcomes in Laparoscopic Sleeve Gastrectomies: The First Report from the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP). Ann Surg. 2016.
  6. Azagury D, Morton JM. Bariatric Surgery Outcomes in US Accredited vs Non-Accredited Centers: A Systematic Review. J Am Coll Surg pii: S1072-7515(16)30267-8, 2016.
  7. Azagury, Dan E, Morton JM. Patient Safety and Quality Improvement Initiatives in Contemporary Metabolic and Bariatric Surgical Practice. Surgical Clinics of North America 96 (2016), pp. 733-742.
  8. Azagury D, Morton JM. Bariatric Surgery: Overview of Procedures and Outcomes. Endocrinology and Metabolism Clinics of North America 45 (2016), pp. 647-656.
  9. Morton JM. Ethnic Considerations for Metabolic Surgery. Diabetes Care 39:949-53, 2016.