Tarek Sawas, M.D.

Tarek Sawas, M.D.

  • Internal Medicine - Digestive and Liver Diseases
  • Pancreaticobiliary diseases
  • Esophageal Cancer


Tarek Sawas, M.D., is an Assistant Professor in the Department of Internal Medicine at UT Southwestern Medical Center, and a member of its Division of Digestive and Liver Diseases. He specializes in pancreaticobiliary diseases, bariatric endoscopy, esophageal cancer, and endoscopic resection.

Dr. Sawas earned his medical degree at Damascus University Faculty of Medicine and completed a residency in internal medicine at Georgetown University Washington Hospital Center. He then performed fellowships in gastroenterology and hepatology and in advanced endoscopy, both at the Mayo Clinic. He also holds a Master of Public Health in epidemiology from Harvard University.

Certified by the American Board of Internal Medicine in gastroenterology, Dr. Sawas joined the UT Southwestern faculty in 2020.

Dr. Sawas’ clinical practice includes endoscopic retrograde cholangiopancreatography (ERCP); endoscopic ultrasound (EUS); and endoscopy to treat weight gain, such as endoscopic sleeve gastroplasty (ESG), transoral outlet reduction (TORe) in patients with weight regain after weight loss surgery (Roux-en-Y gastric bypass), and endoscopic mucosal resection to treat early cancer in a minimally invasive way.

He's a member of several professional organizations, including the American College of Gastroenterology, the American Society for Gastrointestinal Endoscopy, and the American Gastroenterological Association.

Dr. Sawas has published extensively on esophageal cancer, bile duct cancer, and bariatric endoscopy, and he serves as a reviewer for multiple journals.

In 2019, he received the William H.J. Summerskill Research Award from the Mayo Clinic.

Personal Note

Dr. Sawas’ interests outside of medicine include spending time with his family, playing tennis, and hiking.

Education & Training
  • Medical School - Damascus University School of Medicine, Syria (2003-2010)
  • Residency - Washington Hospital Center/Georgetown University Hospital (2011-2014), Internal Medicine
  • Other Post Graduate Training - Harvard University T.H Chan School of public health (2015-2017)
  • Graduate School - Harvard T.H. Chan School of Public Health (2015-2017)
  • Fellowship - Mayo Clinic College of Medicine and Science (2016-2019), Gastroenterology
Professional Associations & Affiliations
  • American College of Gastroenterology
  • American Society for Gastrointestinal Endoscopy
  • American Gastroenterological Association
  • American Association for the Study of Liver Disease
Honors & Awards
  • William H.J. Summerskill Research Award 2019, Mayo Clinic
  • Early Career Investigator 2018, DDW
  • Digestive Disease Week Poster of Distinction 2018, DDW
  • Harvard T.H. Chan School of Public Health Scholarship 2015
  • Excellence in Research Award 2014, MedStar Research Institute
  • MedStar Graduate Medical Education Grant 2014
  • Case Report Award 2014, American College of Physician (ACP) DC Chapter
  • Annual Meeting 2013 Presidential Poster Award 2013, American College of Gastroenterology (ACG)
Books & Publications
  • Bariatric endoscopy outcomes
  • Esophageal cancer risk factors and treatment
  • Pancreaticobiliary cancer

Clinical Focus

  • Pancreaticobiliary diseases
  • Esophageal Cancer
  • Bariatric endoscopy
  • Endoscopic resection

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