Dr. John Magaña Morton

Bariatric surgeon, General surgeon, Minimally invasive surgeon

Associate Professor of Surgery (General Surgery) at the Stanford University Medical Center
Dr. John Morton is Chief of Bariatric and Minimally Invasive Surgery at Stanford University School of Medicine. He also heads the Bariatric and Minimally Invasive Surgery Fellowship and is Co-Director of the Stanford Digestive Health Center. Dr. Morton received undergraduate, Masters in Public Health, and Medical Doctor Degree from Tulane University and a Masters in Health Administration from University of Washington. He was the first surgical resident to receive a Robert Wood Johnson Clinical Scholar Fellowship in the program’s history at University of Washington and also completed an advanced laparoscopic fellowship at University of North Carolina, Chapel Hill. He served on Capitol Hill as Senator Bill Frist’s Health Policy Intern. He is a Diplomate of both the American Board of Surgery and American Board of Obesity Medicine and certified in Medical Quality by the American College of Medical Quality.
He has published over 100 peer-reviewed articles and 15 book chapters with over 200 national and international presentations. His research has focused on quality improvement and bariatric surgery. He led site FDA Pivotal Trials and has received funding from National Institutes of Health and Gordon and Betty Moore Foundation. He serves as editor of Morbid Obesity: Perioperative Management (2011 Best Medical Book Finalist, British Medical Association), The ASMBS Textbook of Bariatric Surgery, Volume 1: Bariatric Surgery and SAGES Handbook on Quality, Patient Safety and Outcomes. Furthermore, he serves on the editorial boards of Obesity Surgery, Surgery for Obesity and Related Diseases, Bariatric Times, Journal of Surgical Case Reports and World Journal of Gastroenterology. His research efforts have been recognized by the Society for Advanced Gastrointestinal Endoscopic Surgeons (SAGES) receiving the Golden Laparoscope Award as 2008 Young Investigator of the Year. As a teacher, Dr. Morton has received six teaching awards at Stanford University in 8 years including the 2008 Arthur Bloomfield Clinical Teacher of the Year and 2011 Henry J. Kaiser Teaching Award.
As Director of Surgical Quality at Stanford University Medical Center from 2007-2013, Dr. Morton led efforts to improve the Department of Surgery’s University Health Consortium’s annual ranking from 24/98 to 1/98 and their Annual NSQIP mortality ranking from Average to Exemplary. Among NSQIP Surgical Champions, he was chosen to chair the monthly Surgical Champions forum for the American College of Surgeons. He has been an invited speaker on surgical quality by the American College of Surgeons, Agency for Healthcare Research and Quality, National Patient Safety Foundation, and American Society for Metabolic and Bariatric Surgery and served on the National Quality Forum’s Surgical and GI/GU Steering Committees. He has authored an inter-active online curriculum on Reducing Error in the Operating Room sponsored by Advanced Practice Solutions, Stanford and Harvard Universities.
In September 2013, he was elected President-Elect of the American Society of Metabolic and Bariatric Surgery composed of over 4000 members from 52 countries. With over 2000 bariatric surgeries performed, he has been recognized as a bariatric surgery leader by Agency for Healthcare Research and Quality, RAND, American College of Surgeons, Who’s Who and America’s Top Surgeons. His clinical skills have resulted in being named Castle Connolly’s Physician of the Year for Clinical Excellence in 2012. He has also served as President of the California chapter of the American Society for Metabolic and Bariatric Surgery (ASMBS) and served as the National Chairman for Access to Care and Data Dissemination for ASMBS and Member of the Committees on Public Education, Emerging Technologies, and Research. In addition, he is the national co-chair of the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP).

Bariatric Surgery Clinic

  • 900 Blake Wilbur Drive
  • Palo Alto, CA 94304
  • Phone: 650-736-5800
Learn More About the Clinic Getting Here Make An Appointment

Professional Education

Residency: Tulane Medical Center (1999) LA

Internship: Tulane Medical Center (1994) LA

Fellowship: University of North Carolina (2003) NC

Board Certification: General Surgery, American Board of Surgery (2002)

Residency: Swedish Medical Center on Broadway (2001) WA

Medical Education: Tulane University School of Medicine (1993) LA

MD, Tulane (1993)

MPH, Tulane (1993)

MHA, University of Washington (1997)

Honors & Awards

President-Elect, American Society of Metabolic and Bariatric Surgery (2013)

Poster of Distinction, American Society of Metabolic and Bariatric Surgery/Obesity Week (2013)

Poster of Distinction, Digestive Diseases Week (2013)

GI Advisory Board, United HealthCare (2013)

America's Top Doctors, Castle-Connolly (2013)

Appointed Secretary-Treasurer and Elected Executive Council, ASMBS (2012)

Top 5 Paper: National Comparisions of Bariatric Surgery Outcomes: FIndings from the BOLD Database, ASMBS (2012)

Top 5 Poster: Are There Differences in Outcomes Based On Insurance Status, ASMBS (2012)

Poster of Distinction: National Bariatric Surgery Outcomes for Age>65: BOLD Database, ASMBS (2012)

Expert Panel, Citizens Panel of Community Forum Project, AHRQ (2012)

National Physician of the Year for Clinical Excellence, Castle Connolly Top Doctors (2012)

Excellence in Teaching, Stanford School of Medicine (2012)

America's Top Doctors, Castle Connolly (2012)

America's Top Doctors, Castle Connolly (2011)

Healthcare-Associated Infection Expert Panel, Agency for Healthcare Research and Quality (2011)

Henry J. Kaiser Clinical Teaching Award, Stanford University School of Medicine (2011)

Advisory Panel, Campaign for Effective Patient Care (2011)

ACS Delegate, Consensus Standards Approval Committee, National Quality Forum (2011)

Invited Address, Drugs, Behavior or Surgery: Place Your Bets…”, The Obesity Society (2011)

Keynote Address, 2011 Annual Meeting of the Taiwan Surgical Association (2011)

Invited Address, Translating Data into Results, Florida Surgical Care Initiative (Feb 2011)

ACS Delegate, Surgical Steering Committee, National Quality Forum (2011)

Invited Address, NSQIP Town Hall, American College of Surgeons (2010)

Invited Address, Bariatric Surgery: Which Procedure Do You Recommend, The Obesity Society (2010)

Excellence in Teaching, Stanford School of Medicine Student Body (2010)

Elected Member, Society for University Surgeons (2010)

Metric Magic: Creating Synergy between Indicators, Priorities and Mandates, National Patient safety Foundation (2010)

Invited Address, Implementing Surgical Quality Innovation at the Bedside, American College for Medical Quality (2010)

Chair, NSQIP Surgical Champions Forum, American College of Surgeons (2009)

America's Top Doctors, Castle Connolly (2009)

Invited Address, Weighing in on Improving Bariatric Surgery, UK Bariatric Surgery Annual Meeting, Chichester, England (2009)

Outstanding Abstract, Improvement in Adolescent Cardiac Risk Factors after Gastric Bypass, International Federation of Surgery for Obesity (August 2009)

Invited Address, Utilizing Patient Safety Indicators in Quality Improvement, Agency for Healthcare Research and Quality (2009)

Invited Address, The Role of the Surgical Champion, NSQIP, American College of Surgeons (2009)

Ethan Sims Young Investigator Finalist Award, Obesity Society (2009)

Excellence in Teaching, Stanford School of Medicine (2009)

Best Student Poster, Stanford School of Medicine Research Symposium (2009)

Expert Panel on Bariatric Surgery for BMI< 35, RAND (2009)

Magisterial Address, 2009 Annual Meeting, Asociación Mexicana de Cirugía General y el Colegio Americano de Cirujanos (2009)

President-Elect, California Chapter of the American Society of Bariatric and Metabolic Surgeons (2008)

Best Student Research Poster, Stanford University School of Medicine (2008)

Arthur L. Bloomfield Award for Excellence in the Teaching of Clinical Medicine, Stanford University School of Medicine (2008)

Visiting Professor, Vanderbilt (2008)

Young Investigator of the Year, SAGES (2008)

Visiting Professor, Henry Ford Hospitals (2007)

Visiting Professor, St.Antonius Hospitals, Maastricht, Holland (2007)

Best Fellow Presentation, SAGES, Las Vegas, NV (2007)

Expert Panel on Birth Outcomes after Bariatric Surgery, RAND (2007)

Gastric Bypass and Cardiac Risk Factors: Is the Way to Heart Through the Stomach?, Inaugural Conference on Obesity Diabetes and Hypertension, Berlin, Germany (2006)

Poster of Distinction, SAGES, Las Vegas, NV (2006)

Best Poster Award (170 posters presented), International Federation of Surgery for Obesity, Sydney, Australia (2006)

Ronald H.Fegelman Memorial Lecturer, Jewish Hospital, Cincinnati, OH (2006)

Excellence in Teaching, Stanford School of Medicine (2005)

Expert Panel on Bariatric Surgery Quality Indicators, RAND (May 2004)

Administrative Appointments

President-Elect, American Society for Metabolic and Bariatric Surgeons (2013 - 2016)

Chair, National Committee on Metabolic and Bariatric Surgery, American Society of Metabolic and Bariatric Surgery and American College of Surgeons (2013 - 2015)

National Secretary-Treasurer, American Society of Metabolic and Bariatric Surgery (2012 - 2014)

Member, GI/GU Steering Committee, National Quality Forum (2012 - Present)

Editorial Board, Cureus (2012 - Present)

Editorial Board, Bariatric Times (2011 - Present)

Executive Council, American Society of Metabolic and Bariatric Surgery (2011 - Present)

Advisory Board Member, American College of Surgeons Bariatric Surgery Network (2011 - Present)

Editorial Board, Journal of Surgical Case Reports (2011 - Present)

Member, International Nutrition Council (2011 - Present)

Publications Board, The Obesity Society (2010 - Present)

Chairman, Access to Care, ASMBS (2010 - Present)

Associate, NIH Digestive Disease Center (2009 - Present)

Co-Director, Digestive Health Center (2009 - Present)

Editorial Board, World Journal of Gastroenterology (2009 - Present)

Elected Faculty Senator at Large, Stanford Faculty Senate (2009 - Present)

Section Chief, Minimally Invasive Surgery, Stanford School of Medicine (2009 - Present)

Director, (SCORE) Stanford Center for Outcomes Research and Evaluation (2007 - Present)

Director, Surgical Quality, Stanford University Medical Center (2007 - 2013)

Associate Editor, Surgery for Obesity and Related Diseases, SOARD Journal for ASBS (2005 - Present)

Associate Editor, Obesity Surgery (2007 - Present)

Minimally Invasive Surgery Fellowship Director, Stanford School of Medicine (2004 - Present)

Surgery Sub-Internship Director, Stanford School of Medicine (2003 - 2007)

Expert Reviewer for Bariatric Surgery(only two MDs Chosen), California Medical Board (2006 - Present)

Chairman, Outcomes Committee, SAGES (2004 - Present)

Member, Program, Research Committee, American Society of Bariatric Surgery (2004 - Present)

Medical Advisor, Centers of Excellence for Bariatric Surgery, California Blue Shield (2004 - Present)

Clinical Trials

Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials.

Open trials refer to studies currently accepting participants. Closed trials are not currently enrolling, but may open in the future.

Halo Effect for Bariatric Surgery Collateral Weight Loss in Patients' Family Members
Woodard, G. A., Encarnacion, B., Peraza, J., Hernandez-Boussard, T., & Morton, J. (2011). Halo Effect for Bariatric Surgery Collateral Weight Loss in Patients' Family Members. ARCHIVES OF SURGERY, 146(10), 1185-1190.

Effect of reversible intermittent intra-abdominal vagal nerve blockade on morbid obesity: the ReCharge randomized clinical trial.
Ikramuddin, S., Blackstone, R. P., Brancatisano, A., Toouli, J., Shah, S. N., & Billington, C. J. (2014). Effect of reversible intermittent intra-abdominal vagal nerve blockade on morbid obesity: the ReCharge randomized clinical trial. JAMA-the journal of the American Medical Association, 312(9), 915-922.

Increasing Access to Specialty Surgical Care Application of a New Resource Allocation Model to Bariatric Surgery
Leroux, E. J., Morton, J. M., & Rivas, H. (2014). Increasing Access to Specialty Surgical Care Application of a New Resource Allocation Model to Bariatric Surgery. ANNALS OF SURGERY, 260(2), 274-278.

Does Chronic Kidney Disease Affect Outcomes after Major Abdominal Surgery? Results from the National Surgical Quality Improvement Program
Cloyd, J. M., Ma, Y., Morton, J. M., Tamura, M. K., Poultsides, G. A., & Visser, B. C. (2014). Does Chronic Kidney Disease Affect Outcomes after Major Abdominal Surgery? Results from the National Surgical Quality Improvement Program. JOURNAL OF GASTROINTESTINAL SURGERY, 18(3), 605-612.

Is Ambulatory Laparoscopic Roux-En-Y Gastric Bypass Associated With Higher Adverse Events?
Morton, J. M., Winegar, D., Blackstone, R., & Wolfe, B. (2014). Is Ambulatory Laparoscopic Roux-En-Y Gastric Bypass Associated With Higher Adverse Events?. ANNALS OF SURGERY, 259(2), 286-292.

Letter to the editor.
Morton, J. M., & Wolfe, B. (2013). Letter to the editor. Surgery for obesity and related diseases , 9(5), 831-832.

Kidney failure in a transplant from an identical twin.
Lum, E. L., Morton, J. M., & Melcher, M. L. (2013). Kidney failure in a transplant from an identical twin. American journal of kidney diseases , 62(2), xxi-xxiii.

The Human Gut Microbiome A Review of the Effect of Obesity and Surgically Induced Weight Loss
Sweeney, T. E., & Morton, J. M. (2013). The Human Gut Microbiome A Review of the Effect of Obesity and Surgically Induced Weight Loss. JAMA SURGERY, 148(6), 563-569.

Hospital readmission after a pancreaticoduodenectomy: an emerging quality metric?
Kastenberg, Z. J., Morton, J. M., Visser, B. C., Norton, J. A., & Poultsides, G. A. (2013). Hospital readmission after a pancreaticoduodenectomy: an emerging quality metric?. HPB, 15(2), 142-148.

Severe worsening of diabetic retinopathy following bariatric surgery.
Silva, R. A., Morton, J. M., & Moshfeghi, D. M. (2013). Severe worsening of diabetic retinopathy following bariatric surgery. Ophthalmic surgery, lasers & imaging retina, 44(6), E11-4.

Comment on: Outcomes of bariatric surgery in patients with BMI less than 35 kg/m².
Morton, J. (2013). Comment on: Outcomes of bariatric surgery in patients with BMI less than 35 kg/m². Surgery for obesity and related diseases , 9(1), 150-?.

The EMPOWER Study: Randomized, Prospective, Double-Blind, Multicenter Trial of Vagal Blockade to Induce Weight Loss in Morbid Obesity
Sarr, M. G., Billington, C. J., Brancatisano, R., Brancatisano, A., Toouli, J., & Rosenthal, R. (2012). The EMPOWER Study: Randomized, Prospective, Double-Blind, Multicenter Trial of Vagal Blockade to Induce Weight Loss in Morbid Obesity. OBESITY SURGERY, 22(11), 1771-1782.

The Effect of Positive and Negative Verbal Feedback on Surgical Skills Performance and Motivation
Kannappan, A., Yip, D. T., Lodhia, N. A., Morton, J., & Lau, J. N. (2012). The Effect of Positive and Negative Verbal Feedback on Surgical Skills Performance and Motivation. JOURNAL OF SURGICAL EDUCATION, 69(6), 798-801.

Normal Alcohol Metabolism after Gastric Banding and Sleeve Gastrectomy: A Case-Cross-Over Trial
Changchien, E. M., Woodard, G. A., Hernandez-Boussard, T., & Morton, J. M. (2012). Normal Alcohol Metabolism after Gastric Banding and Sleeve Gastrectomy: A Case-Cross-Over Trial. JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS, 215(4), 475-479.

Obesity Disparities in Preventive Care: Findings From the National Ambulatory Medical Care Survey, 2005-2007
Hernandez-Boussard, T., Ahmed, S. M., & Morton, J. M. (2012). Obesity Disparities in Preventive Care: Findings From the National Ambulatory Medical Care Survey, 2005-2007. OBESITY, 20(8), 1639-1644.

Laparoscopic vs Open Gastric Bypass Surgery Differences in Patient Demographics, Safety, and Outcomes
Banka, G., Woodard, G., Hernandez-Boussard, T., & Morton, J. M. (2012). Laparoscopic vs Open Gastric Bypass Surgery Differences in Patient Demographics, Safety, and Outcomes. ARCHIVES OF SURGERY, 147(6), 550-556.

Effect of Roux-en-Y gastric bypass on testosterone and prostate-specific antigen
Woodard, G., Ahmed, S., Podelski, V., Hernandez-Boussard, T., Presti, J., & Morton, J. M. (2012). Effect of Roux-en-Y gastric bypass on testosterone and prostate-specific antigen. BRITISH JOURNAL OF SURGERY, 99(5), 693-698.

Short-term medication cost savings for treating hypertension and diabetes after gastric bypass
Ghiassi, S., Morton, J., Bellatorre, N., & Eisenberg, D. (2012). Short-term medication cost savings for treating hypertension and diabetes after gastric bypass. SURGERY FOR OBESITY AND RELATED DISEASES, 8(3), 269-274.

Determinants of Adverse Events in Vascular Surgery
Hernandez-Boussard, T., McDonald, K. M., Morton, J. M., Dalman, R. L., & Bech, F. R. (2012). Determinants of Adverse Events in Vascular Surgery. JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS, 214(5), 788-797.

Relationship between Patient Safety and Hospital Surgical Volume
Hernandez-Boussard, T., Downey, J. R., McDonald, K., & Morton, J. M. (2012). Relationship between Patient Safety and Hospital Surgical Volume. HEALTH SERVICES RESEARCH, 47(2), 756-769.

Is Patient Safety Improving? National Trends in Patient Safety Indicators: 1998-2007
Downey, J. R., Hernandez-Boussard, T., Banka, G., & Morton, J. M. (2012). Is Patient Safety Improving? National Trends in Patient Safety Indicators: 1998-2007. HEALTH SERVICES RESEARCH, 47(1), 414-430.

B-type natriuretic peptide increases after gastric bypass surgery and correlates with weight loss
Changchien, E. M., Ahmed, S., Betti, F., Higa, J., Kiely, K., & Morton, J. (2011). B-type natriuretic peptide increases after gastric bypass surgery and correlates with weight loss. SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 25(7), 2338-2343.

The Role of Surgical Champions in the American College of Surgeons National Surgical Quality Improvement Program - A National Survey
Raval, M. V., Bentrem, D. J., Eskandari, M. K., Ingraham, A. M., Hall, B. L., & Morton, J. M. (2011). The Role of Surgical Champions in the American College of Surgeons National Surgical Quality Improvement Program - A National Survey. JOURNAL OF SURGICAL RESEARCH, 166(1), E15-E25.

Determination of the Relationship Between Gastric Wall Thickness and Body Mass Index with Endoscopic Ultrasound
Larsen, M. C., Yan, B. M., Morton, J., & Van Dam, J. (2011). Determination of the Relationship Between Gastric Wall Thickness and Body Mass Index with Endoscopic Ultrasound. OBESITY SURGERY, 21(3), 300-304.

Impaired Alcohol Metabolism after Gastric Bypass Surgery: A Case-Crossover Trial
Woodard, G. A., Downey, J., Hernandez-Boussard, T., & Morton, J. M. (2011). Impaired Alcohol Metabolism after Gastric Bypass Surgery: A Case-Crossover Trial. JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS, 212(2), 209-214.

Cardiac Arrest During Laparoscopic Roux-en-Y Gastric Bypass in a Bariatric Patient with Drug-Associated Long QT Syndrome
Woodard, G., Brodsky, J. B., & Morton, J. M. (2011). Cardiac Arrest During Laparoscopic Roux-en-Y Gastric Bypass in a Bariatric Patient with Drug-Associated Long QT Syndrome. OBESITY SURGERY, 21(1), 134-137.

Declining Incidence of Neonatal Endophthalmitis in the United States
Moshfeghi, A. A., Charalel, R. A., Hernandez-Boussard, T., Morton, J. M., & Moshfeghi, D. M. (2011). Declining Incidence of Neonatal Endophthalmitis in the United States. AMERICAN JOURNAL OF OPHTHALMOLOGY, 151(1), 59-65.

Perioperative considerations when operating on the very obese: tricks of the trade
Ahmed, S., Morrow, E., & Morton, J. (2010). Perioperative considerations when operating on the very obese: tricks of the trade. MINERVA CHIRURGICA, 65(6), 667-676.

Laparoscopic diaphragmatic pacer placement - a potential new treatment for ALS patients: a brief description of the device and anesthetic issues
Schmiesing, C. A., Lee, J., Morton, J. M., & Brock-Utne, J. G. (2010). Laparoscopic diaphragmatic pacer placement - a potential new treatment for ALS patients: a brief description of the device and anesthetic issues. JOURNAL OF CLINICAL ANESTHESIA, 22(7), 549-552.

Do Preventive Care Disparities Exist For the Obese?
Morton, J., & Hernandez-Boussard, T. (2010). Do Preventive Care Disparities Exist For the Obese?. OBESITY, 18, S196-S196.

Cost Consciousness and Medical Education
Rivas, H., Morton, J. M., & Krummel, T. M. (2010). Cost Consciousness and Medical Education. NEW ENGLAND JOURNAL OF MEDICINE, 363(9), 888-889.

Frequency and Outcomes of Blood Products Transfusion Across Procedures and Clinical Conditions Warranting Inpatient Care: An Analysis of the 2004 Healthcare Cost and Utilization Project Nationwide Inpatient Sample Database
Morton, J., Anastassopoulos, K. P., Patel, S. T., Lerner, J. H., Ryan, K. J., & Dodd, S. L. (2010). Frequency and Outcomes of Blood Products Transfusion Across Procedures and Clinical Conditions Warranting Inpatient Care: An Analysis of the 2004 Healthcare Cost and Utilization Project Nationwide Inpatient Sample Database. AMERICAN JOURNAL OF MEDICAL QUALITY, 25(4), 289-296.

Intraoperative Fluid Replacement and Postoperative Creatine Phosphokinase Levels in Laparoscopic Bariatric Patients
Wool, D. B., Lemmens, H. Jm., Brodsky, J. B., Solomon, H., Chong, K. P., & Morton, J. M. (2010). Intraoperative Fluid Replacement and Postoperative Creatine Phosphokinase Levels in Laparoscopic Bariatric Patients. OBESITY SURGERY, 20(6), 698-701.

Rotavirus Differentially Infects and Polyclonally Stimulates Human B Cells Depending on Their Differentiation State and Tissue of Origin
Narvaez, C. F., Franco, M. A., Angel, J., Morton, J. M., & Greenberg, H. B. (2010). Rotavirus Differentially Infects and Polyclonally Stimulates Human B Cells Depending on Their Differentiation State and Tissue of Origin. JOURNAL OF VIROLOGY, 84(9), 4543-4555.

One Year Improvements in Cardiovascular Risk Factors: a Comparative Trial of Laparoscopic Roux-en-Y Gastric Bypass vs. Adjustable Gastric Banding
Woodard, G. A., Peraza, J., Bravo, S., Toplosky, L., Hernandez-Boussard, T., & Morton, J. M. (2010). One Year Improvements in Cardiovascular Risk Factors: a Comparative Trial of Laparoscopic Roux-en-Y Gastric Bypass vs. Adjustable Gastric Banding. OBESITY SURGERY, 20(5), 578-582.

Endoscopic removal of dysfunctioning rings or bands after restrictive bariatric procedures
Morton, J. M. (2010). Endoscopic removal of dysfunctioning rings or bands after restrictive bariatric procedures. GASTROINTESTINAL ENDOSCOPY, 71(3), 475-476.

The Halo Effect of Bariatric Surgery: Weight Loss in Patients Family Members
Morton, J., Woodard, G., Encarnacion, B., Downey, J., Peraza, J., & Hernandez-Boussard, T. (2009). The Halo Effect of Bariatric Surgery: Weight Loss in Patients Family Members. OBESITY, 17, S68-S69.

Differential Intra-abdominal Adipose Tissue Profiling in Obese, Insulin-resistant Women
Liu, A., McLaughlin, T., Liu, T., Sherman, A., Yee, G., & Tsao, P. S. (2009). Differential Intra-abdominal Adipose Tissue Profiling in Obese, Insulin-resistant Women. OBESITY SURGERY, 19(11), 1564-1573.

Plasma Glucose and Insulin Regulation Is Abnormal Following Gastric Bypass Surgery with or Without Neuroglycopenia
Kim, S. H., Liu, T. C., Abbasi, F., Lamendola, C., Morton, J. M., & McLaughlin, T. L. (2009). Plasma Glucose and Insulin Regulation Is Abnormal Following Gastric Bypass Surgery with or Without Neuroglycopenia. OBESITY SURGERY, 19(11), 1550-1556.

Incidence of Retinopathy of Prematurity in the United States: 1997 through 2005
Lad, E. M., Hernandez-Boussard, T., Morton, J. M., & Moshfeghi, D. M. (2009). Incidence of Retinopathy of Prematurity in the United States: 1997 through 2005. AMERICAN JOURNAL OF OPHTHALMOLOGY, 148(3), 451-458.

Probiotics Improve Outcomes After Roux-en-Y Gastric Bypass Surgery: A Prospective Randomized Trial
Woodard, G. A., Encarnacion, B., Downey, J. R., Peraza, J., Chong, K., & Morton, J. M. (2009). Probiotics Improve Outcomes After Roux-en-Y Gastric Bypass Surgery: A Prospective Randomized Trial. JOURNAL OF GASTROINTESTINAL SURGERY, 13(7), 1198-1204.

Bariatric Surgery Improves Musculoskeletal Quality of Life Independent of Weight Loss and Procedure Type
Bravo, S., Woodard, G., Hernandez-Boussard, T., & Morton, J. (2009). Bariatric Surgery Improves Musculoskeletal Quality of Life Independent of Weight Loss and Procedure Type. GASTROENTEROLOGY, 136(5), A903-A903.

Does Insurance Status Affect Gastric Bypass Surgery Outcomes?
Woodard, G., Hernandez-Boussard, T., & Morton, J. (2009). Does Insurance Status Affect Gastric Bypass Surgery Outcomes?. GASTROENTEROLOGY, 136(5), A902-A902.

Relationship Between Hospital Volume, System Clinical Resources, and Mortality in Pancreatic Resection
Joseph, B., Morton, J. M., Hernandez-Boussard, T., Rubinfeld, I., Faraj, C., & Velanovich, V. (2009). Relationship Between Hospital Volume, System Clinical Resources, and Mortality in Pancreatic Resection. JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS, 208(4), 520-527.

Succinylcholine: A Useful Drug in Bariatric Surgery
Brodsky, J. B., Lemmens, H. Jm., & Morton, J. M. (2009). Succinylcholine: A Useful Drug in Bariatric Surgery. OBESITY SURGERY, 19(4), 537-537.

Endoscopy is accurate, safe, and effective in the assessment and management of complications following gastric bypass surgery.
Lee, J. K., Van Dam, J., Morton, J. M., Curet, M., & Banerjee, S. (2009). Endoscopy is accurate, safe, and effective in the assessment and management of complications following gastric bypass surgery. American journal of gastroenterology, 104(3), 575-582.

Benefits to Patients Choosing Preoperative Weight Loss in Gastric Bypass Surgery: New Results of a Randomized Trial
Solomon, H., Liu, G. Y., Alami, R., Morton, J., & Curet, M. J. (2009). Benefits to Patients Choosing Preoperative Weight Loss in Gastric Bypass Surgery: New Results of a Randomized Trial. JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS, 208(2), 241-245.

Pregnancy and Fertility Following Bariatric Surgery A Systematic Review
Maggard, M. A., Yermilov, I., Li, Z., Maglione, M., Newberry, S., & Shekelle, P. G. (2008). Pregnancy and Fertility Following Bariatric Surgery A Systematic Review. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 300(19), 2286-2296.

CLINICAL AND ECONOMIC OUTCOMES ASSOCIATED WITH BLOOD TRANSFUSION DURING INPATIENT HOSPITALIZATION: AN ANALYSIS OF THE 2004 HEALTH CARE COST AND UTILIZATION PROJECT NATIONWIDE INPATIENT SAMPLE DATABASE
Patel, S. T., Anastassopoulos, K., Lerner, J., Ryan, K., Dodd, S. L., & Morton, J. (2008). CLINICAL AND ECONOMIC OUTCOMES ASSOCIATED WITH BLOOD TRANSFUSION DURING INPATIENT HOSPITALIZATION: AN ANALYSIS OF THE 2004 HEALTH CARE COST AND UTILIZATION PROJECT NATIONWIDE INPATIENT SAMPLE DATABASE. VALUE IN HEALTH, 11(6), A639-A639.

Mechanical Bowel Preparation in Intestinal Surgery: A Meta-Analysis and Review of the Literature
Pineda, C. E., Shelton, A. A., Hernandez-Boussard, T., Morton, J. M., & Welton, M. L. (2008). Mechanical Bowel Preparation in Intestinal Surgery: A Meta-Analysis and Review of the Literature. JOURNAL OF GASTROINTESTINAL SURGERY, 12(11), 2037-2044.

Gastric Bypass Surgery Improves Markers of Aging
Downey, J., Woodard, G., Hernandez-Boussard, T., & Morton, J. (2008). Gastric Bypass Surgery Improves Markers of Aging. OBESITY, 16, S144-S144.

Disparity in Utilization, Demographics and Outcomes for Bariatric Surgeries
Morton, J., Woodard, G., Downey, J., & Hernandez-Boussard, T. (2008). Disparity in Utilization, Demographics and Outcomes for Bariatric Surgeries. OBESITY, 16, S297-S297.

Preoperative endoscopic screening for laparoscopic Roux-en-Y gastric bypass has a low yield for anatomic findings
Mong, C., Van Dam, J., Morton, J., Gerson, L., Curet, M., & Banerjee, S. (2008). Preoperative endoscopic screening for laparoscopic Roux-en-Y gastric bypass has a low yield for anatomic findings. OBESITY SURGERY, 18(9), 1067-1073.

Profiling surgical staplers: effect of staple height, buttress, and overlap on staple line failure
Mery, C. M., Shafi, B. M., Binyamin, G., Morton, J. M., & Gertner, M. (2008). Profiling surgical staplers: effect of staple height, buttress, and overlap on staple line failure. SURGERY FOR OBESITY AND RELATED DISEASES, 4(3), 416-422.

Meta-analysis of mechanical bowel preparation for elective colon and rectal resection
Pineda, C. E., Shelton, A. A., Hernandez-Boussard, T., Morton, J. M., & Welton, M. L. (2008). Meta-analysis of mechanical bowel preparation for elective colon and rectal resection. GASTROENTEROLOGY, 134(4), A860-A860.

Signal detection: A new statistical method to predict NASH in gastric bypass patients
Morton, J. M., Woodard, G. A., & Hernandez-Boussard, T. (2008). Signal detection: A new statistical method to predict NASH in gastric bypass patients. GASTROENTEROLOGY, 134(4), A855-A855.

Retinopathy of prematurity in the United States
Lad, E. M., Nguyen, T. C., Morton, J. M., & Moshfeghi, D. M. (2008). Retinopathy of prematurity in the United States. BRITISH JOURNAL OF OPHTHALMOLOGY, 92(3), 320-325.

Use of flexible endoscopic scissors to cut obstructing suture material in gastric bypass patients
Patel, C., Van Dam, J., Curet, M., Morton, J. M., & Banerjee, S. (2008). Use of flexible endoscopic scissors to cut obstructing suture material in gastric bypass patients. OBESITY SURGERY, 18(3), 336-339.

Laparoscopic adjustable gastric banding in a morbidly obese 18-year-old with hypertrophic cardiomyopathy
Waipa, J., Dutta, S., Albanese, C. T., & Morton, J. M. (2008). Laparoscopic adjustable gastric banding in a morbidly obese 18-year-old with hypertrophic cardiomyopathy. OBESITY SURGERY, 18(3), 332-335.

Bariatric Surgery in Patients With Morbid Obesity and Type 2 Diabetes
Schernthaner, G., & Morton, J. M. (2008). Bariatric Surgery in Patients With Morbid Obesity and Type 2 Diabetes. DIABETES CARE, 31, S297-S302.

National trends in adolescent bariatric surgical procedures and implications for surgical centers of excellence
Schilling, P. L., Davis, M. M., Albanese, C. T., Dutta, S., & Morton, J. (2008). National trends in adolescent bariatric surgical procedures and implications for surgical centers of excellence. JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS, 206(1), 1-12.

Are health related outcomes in acute pancreatitis improving? An analysis of national trends in the U.S. from 1997 to 2003.
Brown, A., Young, B., Morton, J., Behrns, K., & Shaheen, N. (2008). Are health related outcomes in acute pancreatitis improving? An analysis of national trends in the U.S. from 1997 to 2003. JOP : Journal of the pancreas, 9(4), 408-414.

Retrievable inferior vena cava filters may be safely applied in gastric bypass surgery
Schuster, R., Hagedorn, J. C., Curet, M. J., & Morton, J. M. (2007). Retrievable inferior vena cava filters may be safely applied in gastric bypass surgery. SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 21(12), 2277-2279.

Gastrointestinal complications after coronary artery bypass grafting: A national study of morbidity and mortality predictors
Rodriguez, F., Nguyen, T. C., Galanko, J. A., & Morton, J. (2007). Gastrointestinal complications after coronary artery bypass grafting: A national study of morbidity and mortality predictors. JOURNAL OF THE AMERICAN COLLEGE OF SURGEONS, 205(6), 741-747.

Does gastric bypass alter alcohol metabolism?
Hagedorn, J. C., Encarnacion, B., Brat, G. A., & Morton, J. M. (2007). Does gastric bypass alter alcohol metabolism?. SURGERY FOR OBESITY AND RELATED DISEASES, 3(5), 543-548.

Weight gain after bariatric surgery as a result of large gastric stoma: endotherapy with sodium morrhuate to induce stomal stenosis may prevent the need for surgical revision
Morton, J. M. (2007). Weight gain after bariatric surgery as a result of large gastric stoma: endotherapy with sodium morrhuate to induce stomal stenosis may prevent the need for surgical revision. GASTROINTESTINAL ENDOSCOPY, 66(2), 246-247.

Nature versus nurture: Identical twins and bariatric surgery
Hagedorn, J. C., & Morton, J. M. (2007). Nature versus nurture: Identical twins and bariatric surgery. OBESITY SURGERY, 17(6), 728-731.

Transnasal small-caliber esophagogastroduodenoscopy for preoperative evaluation of the high-risk morbidly obese patient
Alami, R. S., Schuster, R., Friedland, S., Curet, M. J., Wren, S. M., & Safadi, B. Y. (2007). Transnasal small-caliber esophagogastroduodenoscopy for preoperative evaluation of the high-risk morbidly obese patient. SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 21(5), 758-760.

Disappointing weight loss among shift workers after laparoscopic gastric bypass surgery
Ketchum, E. S., & Morton, J. M. (2007). Disappointing weight loss among shift workers after laparoscopic gastric bypass surgery. OBESITY SURGERY, 17(5), 581-584.

Abnormal findings on routine upper GI series following laparoscopic Roux-en-Y gastric bypass
Raman, R., Raman, B., Raman, P., Rossiter, S., Curet, M. J., & Morton, J. M. (2007). Abnormal findings on routine upper GI series following laparoscopic Roux-en-Y gastric bypass. OBESITY SURGERY, 17(3), 311-316.

Clinical resolution of severely symptomatic pseudotumor cerebri after gastric bypass in an adolescent
Chandra, V., Dutta, S., Albanese, C. T., Shepard, E., Farrales-Nguyen, S., & Morton, J. (2007). Clinical resolution of severely symptomatic pseudotumor cerebri after gastric bypass in an adolescent. SURGERY FOR OBESITY AND RELATED DISEASES, 3(2), 198-200.

New device for introduction of circular stapler
Morton, J. M. (2007). New device for introduction of circular stapler. OBESITY SURGERY, 17(3), 426-426.

Is there a benefit to preoperative weight loss in gastric bypass patients? A prospective randomized trial
Alami, R. S., Morton, J. M., Schuster, R., Lie, J., Sanchez, B. R., & Curet, M. J. (2007). Is there a benefit to preoperative weight loss in gastric bypass patients? A prospective randomized trial. SURGERY FOR OBESITY AND RELATED DISEASES, 3(2), 141-145.

IPEG panel on clinical investigation
Morton, J., Albanese, C. T., Barnhart, D., & Dutta, S. (2007). IPEG panel on clinical investigation. JOURNAL OF LAPAROENDOSCOPIC & ADVANCED SURGICAL TECHNIQUES, 17(1), 67-76.

Gastric bypass reduces biochemical cardiac risk factors
Williams, D. B., Hagedorn, J. C., Lawson, E. H., Galanko, J. A., Safadi, B. Y., & Morton, J. M. (2007). Gastric bypass reduces biochemical cardiac risk factors. SURGERY FOR OBESITY AND RELATED DISEASES, 3(1), 8-13.

Attitude of prospective surgical residents regarding surgery for morbid obesity
Schuster, R., Morton, J. M., Liu, G. Y.-G., Alami, R. S., & Curet, M. J. (2006). Attitude of prospective surgical residents regarding surgery for morbid obesity. OBESITY SURGERY, 16(11), 1464-1468.

Concurrent gastric bypass and repair of anterior abdominal wall hernias
Schuster, R., Curet, M. J., Alami, R. S., Morton, J. M., Wren, S. M., & Safadi, B. Y. (2006). Concurrent gastric bypass and repair of anterior abdominal wall hernias. OBESITY SURGERY, 16(9), 1205-1208.

Pulmonary embolus after retrieval of a temporary inferior vena caval filter in a Jehovah's Witness undergoing gastric bypass surgery
Hagedorn, J. C., & Morton, J. M. (2006). Pulmonary embolus after retrieval of a temporary inferior vena caval filter in a Jehovah's Witness undergoing gastric bypass surgery. OBESITY SURGERY, 16(8), 1096-1100.

Intra-operative fluid volume influences postoperative nausea and vomiting after laparoscopic gastric bypass surgery
Schuster, R., Alami, R. S., Curet, M. J., Paulraj, N., Morton, J. M., & Lemmens, H. Jm. (2006). Intra-operative fluid volume influences postoperative nausea and vomiting after laparoscopic gastric bypass surgery. OBESITY SURGERY, 16(7), 848-851.

Nis vs sages - A comparison of national and voluntary databases
Morton, J. M., Galanko, J. A., Soper, N. J., Low, D. E., Hunters, J., & Traverso, L. W. (2006). Nis vs sages - A comparison of national and voluntary databases. SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 20(7), 1124-1128.

Methamphetamine use following bariatric surgery in an adolescent
Dutta, S., Morton, J., Shepard, E., Peebles, R., Farrales-Nguyen, S., & Albanese, C. T. (2006). Methamphetamine use following bariatric surgery in an adolescent. OBESITY SURGERY, 16(6), 780-782.

Orogastric tube complications in Laparoscopic Roux-en-Y gastric bypass
Sanchez, B. S., Safadi, B. Y., Kieran, J. A., Hsu, G. P., Brodsky, J. B., & Morton, J. M. (2006). Orogastric tube complications in Laparoscopic Roux-en-Y gastric bypass. OBESITY SURGERY, 16(4), 443-447.

Robotic-assisted laparoscopic Roux-en-Y gastric bypass in a patient with midgut malrotation.
Alami, R. S., Schuster, R., Morton, J. M., & Curet, M. J. (2006). Robotic-assisted laparoscopic Roux-en-Y gastric bypass in a patient with midgut malrotation. Surgery for obesity and related diseases , 2(2), 222-225.

Analysis of the SAGES outcomes initiative groin hernia database
Velanovich, V., Shadduck, P., Khaitan, L., Morton, J., Maupin, G., & Travers, L. W. (2006). Analysis of the SAGES outcomes initiative groin hernia database. SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 20(2), 191-198.

Analysis of the SAGES outcomes initiative cholecystectomy registry
Velanovich, V., Morton, J. M., McDonald, M., Orlando, R., Maupin, G., & Travers, L. W. (2006). Analysis of the SAGES outcomes initiative cholecystectomy registry. SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 20(1), 43-50.

The SAGES bariatric surgery outcome initiative
Nguyen, N. T., Morton, J. M., Wolfe, B. M., Schirmer, B., Ali, M., & Travers, L. W. (2005). The SAGES bariatric surgery outcome initiative. SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, 19(11), 1429-1438.

Incidental finding of gastrointestinal stromal tumors (GISTs) during laparoscopic gastric bypass
Sanchez, B. R., Morton, J. M., Curet, M. J., Alami, R. S., & Safadi, B. Y. (2005). Incidental finding of gastrointestinal stromal tumors (GISTs) during laparoscopic gastric bypass. OBESITY SURGERY, 15(10), 1384-1388.

Laparoscopic Roux-en-Y gastric bypass at a Veterans Affairs and high-volume academic facilities: a comparison of institutional outcomes
Alami, R. S., Morton, J. M., Sanchez, B. R., Curet, M. J., Wren, S. M., & Safadi, B. Y. (2005). Laparoscopic Roux-en-Y gastric bypass at a Veterans Affairs and high-volume academic facilities: a comparison of institutional outcomes. AMERICAN JOURNAL OF SURGERY, 190(5), 821-825.

Comparison of totally robotic laparoscopic Roux-en-Y gastric bypass and traditional laparoscopic Roux-en-Y gastric bypass.
Sanchez, B. R., Mohr, C. J., Morton, J. M., Safadi, B. Y., Alami, R. S., & Curet, M. J. (2005). Comparison of totally robotic laparoscopic Roux-en-Y gastric bypass and traditional laparoscopic Roux-en-Y gastric bypass. Surgery for obesity and related diseases , 1(6), 549-554.

Weighing in on bariatric surgery - Procedure use, readmission rates, and mortality
Wolfe, B. M., & Morton, J. M. (2005). Weighing in on bariatric surgery - Procedure use, readmission rates, and mortality. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 294(15), 1960-1963.

The impact of preoperative weight loss in patients undergoing Laparoscopic Roux-en-Y gastric bypass
ALVARADO, R., Alami, R. S., Hsu, G., Safadi, B. Y., Sanchez, B. R., & Curet, M. J. (2005). The impact of preoperative weight loss in patients undergoing Laparoscopic Roux-en-Y gastric bypass. OBESITY SURGERY, 15(9), 1282-1286.

Laparoscopic Roux-en-Y gastric bypass: Differences in outcome between attendings and assistants of different training backgrounds
Hsu, G. P., Morton, J. M., Jin, L., Safadi, B., Satterwhite, T. S., & Curet, M. J. (2005). Laparoscopic Roux-en-Y gastric bypass: Differences in outcome between attendings and assistants of different training backgrounds. OBESITY SURGERY, 15(8), 1104-1110.

Nitrous oxide and laparoscopic bariatric surgery
Brodsky, J. B., Lemmens, H. Jm., Collins, J. S., Morton, J. M., Curet, M. J., & Brock-Utne, J. G. (2005). Nitrous oxide and laparoscopic bariatric surgery. OBESITY SURGERY, 15(4), 494-496.

A national comparison of surgical versus percutaneous drainage of pancreatic pseudocysts: 1997-2001
Morton, J. M., Brown, A., Galanko, J. A., NORTON, J. A., Grimm, I. S., & Behrns, K. E. (2005). A national comparison of surgical versus percutaneous drainage of pancreatic pseudocysts: 1997-2001. JOURNAL OF GASTROINTESTINAL SURGERY, 9(1), 15-20.

Introducing laparoscopic Roux-en-Y gastric bypass at a Veterans Affairs medical facility
Safadi, B. Y., Kieran, J. A., Hall, R. G., Morton, J. M., Bellatorre, N., & Wren, S. M. (2004). Introducing laparoscopic Roux-en-Y gastric bypass at a Veterans Affairs medical facility. AMERICAN JOURNAL OF SURGERY, 188(5), 606-610.

What do surgery residents do on their call nights?
Morton, J. M., Baker, C. C., Farrell, T. M., Yohe, M. E., Kimple, R. J., & Meyer, A. A. (2004). What do surgery residents do on their call nights?. AMERICAN JOURNAL OF SURGERY, 188(3), 225-229.

Bovine pericardium buttress limits recanalization of the uncut Roux-en-Y in a porcine model
Morton, J. M., Lucktong, T. A., Trasti, S., & Farrell, T. M. (2004). Bovine pericardium buttress limits recanalization of the uncut Roux-en-Y in a porcine model. JOURNAL OF GASTROINTESTINAL SURGERY, 8(1), 127-131.

Gallbladder function before and after fundoplication
Morton, J. M., Bowers, S. P., Lucktong, T. A., Mattar, S., Bradshaw, W. A., & Farrell, T. M. (2002). Gallbladder function before and after fundoplication. JOURNAL OF GASTROINTESTINAL SURGERY, 6(6), 806-810.

Resection of benign esophageal stricture through a minimally invasive endoscopic and transgastric approach
Lucktong, T. A., Morton, J. M., Shaheen, N. J., & Farrell, T. M. (2002). Resection of benign esophageal stricture through a minimally invasive endoscopic and transgastric approach. AMERICAN SURGEON, 68(8), 720-723.