Departments and specialties

Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery.

Doctors who perform this procedure

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Displaying 1-2 out of 2 doctors available

Last Name Initial: L

  1. Simon J. Laplante, M.D.

    Simon J. Laplante, M.D.

    1. Metabolic Surgeon
    1. Rochester, MN
    Areas of focus:

    Bariatric surgery, Laparoscopic surgery, Hernia repair, Sleeve gastrectomy, Minimally invasive surgery, Robotic surgery..., Laparoscopic cholecystectomy, Gastric bypass surgery, Biliopancreatic diversion with duodenal switch, Revisional bariatric surgery, Gastric banding removal surgery, Minimally invasive abdominal surgery, Small bowel polypectomy, Diabetes, Gastroesophageal reflux disease, Obesity, Metabolic syndrome, Hernia, Inguinal hernia, Gallstones, Gastroparesis, Hiatal hernia, Intussusception, Weight regain after bariatric surgery, Incisional hernia , Peutz-Jeghers syndrome

  2. Pei-Wen Lim, M.D.

    Pei-Wen Lim, M.D.

    1. Surgeon
    1. Phoenix, AZ
    Areas of focus:

    Laparoscopic surgery, Hernia repair, Cholecystectomy, Nissen fundoplication, Robotic surgery, Gastric bypass surgery, H...iatal hernia repair, Gastric banding removal surgery, Abdominal wall reconstruction, Gastrointestinal surgery, Gastroesophageal reflux disease, Obesity, Hernia, Inguinal hernia, Hiatal hernia, Cholecystitis, Metabolic disorders

Research

Mayo Clinic researchers are investigating advanced and minimally invasive treatment options for weight-loss surgery.

Publications

See a list of publications about gastric bypass surgery by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine.

Research Profiles

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Nov. 25, 2025
  1. Lim RB. Bariatric procedures for the management of severe obesity: Descriptions. https://www.uptodate.com/contents/search. Accessed Jan. 16, 2025.
  2. Weight loss (metabolic and bariatric surgery). National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/weight-management/bariatric-surgery. Accessed Jan. 14, 2025.
  3. Bariatric surgery procedures. American Society for Metabolic and Bariatric Surgery. https://asmbs.org/patients/bariatric-surgery-procedures. Accessed Jan. 14, 2025.
  4. Kellerman RD, et al. Obesity in adults. In: Conn's Current Therapy 2025. Elsevier; 2025. https://www.clinicalkey.com. Accessed Jan. 14, 2025.
  5. Walls RM, et al., eds. The morbidly obese patient. In: Rosen's Emergency Medicine: Concepts and Clinical Practice. 10th ed. Elsevier; 2023. https://www.clinicalkey.com. Accessed Jan. 14, 2025.
  6. Comparison of sleeve gastrectomy vs Roux-en-Y gastric bypass: A randomized clinical trial. JAMA Network Open. 2024; doi:10.1001/jamanetworkopen.2023.53141.
  7. Bariatric surgery. Endocrine Society. https://www.endocrine.org/patient-engagement/endocrine-library/bariatric-surgery. Accessed Jan. 14, 2025.
  8. Health Education & Content Services. Bariatric surgery. Mayo Clinic; 2024.
  9. Nimmagadda R. Allscripts EPSi. Mayo Clinic. Dec. 3, 2024.

Gastric bypass (Roux-en-Y)