Samer Gamil Mattar, M.D., FACS Photo

Samer Gamil Mattar, M.D., FACS

Professor and Chief, Division of Metabolic and Bariatric Surgery
Baylor College of Medicine



Metabolic Surgery & Medical Weight Loss (Clinic)
Jamail Specialty Care Center
1977 Butler Blvd.
Houston, Texas 77030
United States
(713) 798-6673
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  • American Board of Surgery

  • American Board of Obesity Medicine


  • Clinical Fellowship at Emory University

  • Residency at Vanderbilt University

  • Internship at Emory University

  • MBChB from Cairo University


  • Male

CME Presentations

Debunking Myths in Bariatric Surgery
Michael E. DeBakey Department of Surgery Grand Rounds
September 9, 2020

Professional Statement

Dr. Samer Mattar is a bariatric surgeon in Houston, Texas. Dr. Mattar graduated from Cairo University in 1983 and completed his general surgery residency at Emory University in Atlanta, GA. He completed a second general surgery residency at Vanderbilt University in 2000 and an advanced laparoscopic fellowship at Emory in 2002. From 2014-2017, Dr. Mattar served as chief of Bariatric Services at Oregon Health & Science University as well as chief of the OHSU Surgical Weight Loss Center. From 2017 to 2020, Dr. Mattar was the medical director of Swedish Weight Loss Services at the Swedish Medical Center in Seattle, WA. Dr. Mattar’s main clinical areas of expertise include bariatric surgery and endoscopic treatment of acid reflux disease. He has developed comprehensive bariatric and metabolic programs with an emphasis on modern, high-quality, compassionate, patient-centered care. Dr. Mattar has published numerous articles and book chapters in his field and enjoys teaching and advocating for his patients. He will spearhead our recently accredited bariatric surgery center by the national Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program.

Professional Interests

  • Surgical treatment of obesity and metabolic syndrome
  • Gastro-esophageal reflux disease
  • Paraesophageal hernias
  • Abdominal wall hernias
  • Surgical treatment of complications of bariatric surgery

Physician Specialties

  • Bariatric Surgery
  • Weight loss procedure/surgery
  • Sleeve Gastrectomy
  • Lap Band Surgery

Professional Specialties

  • Bariatric surgery
  • Laparoscopic Primary and revisional gastric bypass
  • Laparoscopic Primary and revisional sleeve gastrectomy
  • Laparoscopic Conversion of sleeve to bypass
  • Laparoscopic conversion of gastric band to sleeve or bypass
  • Laparoscopic repair of paraesophageal hernias
  • Laparoscopic repair of abdominal wall hernias
  • Diagnostic and therapeutic upper GU endoscopy


  • Royal College of Surgeons of Edinburgh
  • Pacific Coast Surgical Association
  • Association for Academic Surgery
  • Society for Surgery of the Alimentary Tract
  • American Society for Metabolic and Bariatric Surgeons
  • American Board of Obesity Medicine
  • Society of American Gastrointestinal Endoscopic Surgeons
  • American Medical Association
  • The Obesity Society
  • Central Surgical Society
  • American College of Surgeons
  • International Society of Surgery