Michael A. Schweitzer, MD

Reported credentials

• Focused Practice in Metabolic Bariatric Surgery-Surgery Designation: American Board of Surgery, 2023General Surgery: American Board of Surgery, 1997 Source ↗
• MD license D57193 Source ↗

Source-reported information; confirm current details directly.

Reported affiliations

• JOHNS HOPKINS UNIVERSITY Source ↗

Source-reported information; confirm current details directly.

Selected publications

• Latest Outcomes in Robotic-Assisted Bariatric Surgery: Contemporary Analysis of Laparoscopic Versus Robotic Sleeve Gastrectomy and Roux-en-Y Gastric Bypass. · 2026 Source ↗
• Six-month weight loss and comorbidity remission after sleeve gastrectomy, Roux-en-Y gastric bypass, BPD-DS, and SADI-S: propensity score analysis using the 2023 MBSAQIP database. · 2026 Source ↗
• Outcomes of sleeve gastrectomy and Roux-en-Y gastric bypass in patients with liver disease and body mass index ≥ 40: analysis using the 2023 Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program database. · 2026 Source ↗
• Comparison of one anastomosis gastric bypass to standard bariatric interventions: a propensity score matching analysis using the 2020-2023 Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program database. · 2026 Source ↗
• Determining the age cut-off for increased surgical risk after Roux-en-Y gastric bypass in elderly patients: MBSAQIP 2015-2023 database analysis. · 2026 Source ↗
• Heart failure as a leading independent predictor for mortality and adverse outcomes after bariatric surgery: analysis using the 2023-2024 MBSAQIP database. · 2026 Source ↗
• Preoperative Hypoalbuminemia is Associated With an Increased Risk of Mortality in Patients With BMI ≥50 Undergoing Bariatric Surgery: Propensity Score Matching Analysis Using the 2015-2022 MBSAQIP Database. · 2026 Source ↗
• Use of Glucagon-Like Peptide-1 Agonists Among Individuals Undergoing Bariatric Surgery in the US. · 2025 Source ↗
• Modified bariatric frailty score to predict postoperative outcomes in elderly patients following sleeve gastrectomy and Roux-en-Y gastric bypass. · 2026 Source ↗
• Predictors of postoperative bleeding after minimally invasive bariatric surgery. · 2024 Source ↗
• Laparoscopic sleeve gastrectomy to Roux-en-Y gastric bypass conversion versus primary Roux-en-Y gastric bypass: a propensity score matching analysis. · 2023 Source ↗
• Do advances in technology translate to improved outcomes? Comparing robotic bariatric surgery outcomes over two-time intervals utilizing the MBSAQIP database. · 2023 Source ↗
• Comparison of Hormonal Response to a Mixed-Meal Challenge in Hypoglycemia After Sleeve Gastrectomy vs Gastric Bypass. · 2022 Source ↗
• GDF15 and Cortisol Response to Meal Tolerance Test in Post-Sleeve Gastrectomy Patients with Weight Regain. · 2022 Source ↗
• Does endoscopic mean safer? A comparison of the short-term safety of endoscopic versus laparoscopic bariatric therapies. · 2022 Source ↗
• Validation of the cumulative deficit theory in bariatric surgery: new bariatric frailty score is associated with non-home discharge, prolonged hospital stay and mortality in the era of fast-track bariatric surgery. · 2022 Source ↗
• Biography: Michael Schweitzer, MD. · 2022 Source ↗
• Gastric per-oral endoscopic myotomy (G-POEM) for the treatment of gastric sleeve stenosis: a feasibility and safety study. · 2022 Source ↗
• Transoral outlet reduction: could additional sutures cause more harm? · 2021 Source ↗
• Building an endobariatric program: lessons learned. · 2020 Source ↗
• Gastric mucosal devitalization (GMD): translation to a novel endoscopic metabolic therapy. · 2019 Source ↗
• Comparative Effects of Medical Versus Surgical Weight Loss on Body Composition: a Pilot Randomized Trial. · 2019 Source ↗
• Mobilization of Environmental Toxicants Following Bariatric Surgery. · 2019 Source ↗
• Safety and Efficacy of Endoscopically Secured Fully Covered Self-Expandable Metallic Stents (FCSEMS) for Post-Bariatric Complex Stenosis. · 2019 Source ↗
• Changes in Gut Microbiome after Bariatric Surgery Versus Medical Weight Loss in a Pilot Randomized Trial. · 2019 Source ↗
• Implementation of an enhanced recovery program for bariatric surgery. · 2020 Source ↗
• Secured Lumen-Apposing Fully Covered Metallic Stents for Stenoses in Post-Bariatric Surgery Patients. · 2019 Source ↗
• Providing complex GI surgical care with minimally invasive approaches: a survey of the practice patterns of Fellowship Council alumni. · 2020 Source ↗
• A Real-World, Insurance-Based Algorithm Using the Two-Fold Running Suture Technique for Transoral Outlet Reduction for Weight Regain and Dumping Syndrome After Roux-En-Y Gastric Bypass. · 2019 Source ↗
• Obesity is associated with copper elevation in serum and tissues. · 2019 Source ↗
• Cytokine, Chemokine, and Cytokine Receptor Changes Are Associated With Metabolic Improvements After Bariatric Surgery. · 2019 Source ↗
• Endoscopic Management of Recalcitrant Marginal Ulcers by Covering the Ulcer Bed. · 2018 Source ↗
• Robot-assisted versus laparoscopic Roux-en-Y gastric bypass and sleeve gastrectomy: a propensity score-matched comparative analysis using the 2015-2016 MBSAQIP database. · 2019 Source ↗
• Endoscopic sleeve gastroplasty versus laparoscopic sleeve gastrectomy: a case-matched study. · 2019 Source ↗
• The incidence and risk factors associated with developing symptoms of hypoglycemia after bariatric surgery. · 2018 Source ↗
• The Role of Laboratory Testing in Differentiating Type 1 Diabetes from Type 2 Diabetes in Patients Undergoing Bariatric Surgery. · 2018 Source ↗
• Inversion Technique for the Removal of Partially Covered Self-Expandable Metallic Stents. · 2018 Source ↗
• Outcomes of Partnered Individuals Undergoing Bariatric Surgery Together: A Single Institution Case Series. · 2017 Source ↗
• An Algorithmic Approach to the Management of Gastric Stenosis Following Laparoscopic Sleeve Gastrectomy. · 2017 Source ↗
• Endoscopic Suturing for Massively Bleeding Marginal Ulcer 10 days Post Roux-en-Y Gastric Bypass. · 2017 Source ↗
• Weight regain in patients with symptoms of post-bariatric surgery hypoglycemia. · 2017 Source ↗
• Nutrient Deficiencies Are Common Prior to Bariatric Surgery. · 2017 Source ↗
• CTRP7 deletion attenuates obesity-linked glucose intolerance, adipose tissue inflammation, and hepatic stress. · 2017 Source ↗
• Malnutrition in Bariatric Surgery Candidates: Multiple Micronutrient Deficiencies Prior to Surgery. · 2016 Source ↗
• Demonstration of transoral gastric outlet reduction: 2-fold running suture technique. · 2017 Source ↗
• Pharyngeal collapsibility during sleep is elevated in insulin-resistant females with morbid obesity. · 2016 Source ↗
• Vitamin D status and supplementation before and after bariatric surgery: a comprehensive literature review. · 2016 Source ↗
• Treatment for Vitamin D Deficiency Prior to Bariatric Surgery: a Prospective Cohort Study. · 2016 Source ↗
• C1q/TNF-Related Protein-9 (CTRP9) Levels Are Associated With Obesity and Decrease Following Weight Loss Surgery. · 2016 Source ↗
• Early hospital readmission after bariatric surgery. · 2016 Source ↗
• Assessment of postdischarge complications after bariatric surgery: A National Surgical Quality Improvement Program analysis. · 2015 Source ↗
• Lysyl Oxidase as a Serum Biomarker of Liver Fibrosis in Patients with Severe Obesity and Obstructive Sleep Apnea. · 2015 Source ↗
• Lower Circulating C1q/TNF-Related Protein-3 (CTRP3) Levels Are Associated with Obesity: A Cross-Sectional Study. · 2015 Source ↗
• Effect of Mandatory Centers of Excellence Designation on Demographic Characteristics of Patients Who Undergo Bariatric Surgery. · 2015 Source ↗
• Endoscopic management of stomal stenosis after Roux-en-Y gastric bypass. · 2015 Source ↗
• Novel technique for the management of staple line leaks after sleeve gastrectomy. · 2015 Source ↗
• Long-term quality of life and risk factors for recurrence after laparoscopic repair of paraesophageal hernia. · 2015 Source ↗
• Prevalence and characteristics of individuals without diabetes and hypertension who underwent bariatric surgery: lessons learned about metabolically healthy obese. · 2015 Source ↗
• The EFFORT trial: Preoperative enoxaparin versus postoperative fondaparinux for thromboprophylaxis in bariatric surgical patients: a randomized double-blind pilot trial. · 2015 Source ↗
• Endoscopic suturing for transoral outlet reduction increases weight loss after Roux-en-Y gastric bypass surgery. · 2013 Source ↗
• Transoral endoscopic closure of gastric fistula. · 2009 Source ↗
• Acute vena cava thrombosis after placement of retrievable inferior vena cava filter before laparoscopic gastric bypass. · 2006 Source ↗
• Bariatric surgery. · 2006 Source ↗
• Failure of the adjustable gastric band system due to a leak of saline. · 2006 Source ↗
• A zero leak rate in 251 consecutive laparoscopic gastric bypass operations using a two-layer gastrojejunostomy technique. · 2006 Source ↗
• Endoscopic intraluminal suture plication of the gastric pouch and stoma in postoperative Roux-en-Y gastric bypass patients. · 2004 Source ↗

Source-reported information; confirm current details directly.

Professional identifier

NPI: 1659399848