Ioana Smith, M.D., is an Assistant Professor in the Department of Internal Medicine at UT Southwestern Medical Center and a member of the Division of Digestive and Liver Diseases.

Originally from Arad, Romania, Dr. Smith holds a bachelor's degree with highest honors in biology from Georgia Tech in Atlanta. She earned her medical degree at the University of Virginia in Charlottesville. She completed internal medicine residency training at the University of Alabama-Birmingham. She then completed advanced training through a fellowship in gastroenterology at UT Southwestern Medical Center.

Certified by the American Board of Internal Medicine in gastroenterology, Dr. Smith joined the UT Southwestern faculty in 2018.

Dr. Smith is a member of several professional societies, including the American Gastroenterology Society, the American Society for Gastrointestinal Endoscopy, the American College of Gastroenterology, the American Neurogastroenterology and Motility Society, and the Texas Society of Gastroenterology and Endoscopy.

Dr. Smith's research interests include Crohn's Disease, esophageal conditions, pancreatic conditions, and colonoscopy. Her findings have resulted in numerous peer-reviewed publications, book chapters, abstracts, reviews, and case reports.


Medical School
University of Virginia School of Medicine (2012)
University of Alabama Medical Center at Birmingham (2015), Internal Medicine
UT Southwestern Medical Center (2018), Gastroenterology

Research Interest

  • Functional Abdominal Pain
  • GERD
  • Irritable Bowel Syndrome


Featured Publications LegendFeatured Publications

An Update on Current Management Strategies for Achalasia and Future Perspectives.
Smith I, Kahaleh M J. Clin. Gastroenterol. 2018 Apr 52 4 277-286
Do Statins Increase the Risk of Esophageal Conditions? Findings from Four Propensity Score-Matched Analyses.
Smith I, Schmidt R, Halm EA, Mansi IA Clin Drug Investig 2017 Oct
Incidentally Identified Common Bile Duct Dilatation: A Systematic Review of Evaluation, Causes, and Outcome.
Smith I, Monkemuller K, Wilcox CM J. Clin. Gastroenterol. 2015 Nov-Dec 49 10 810-5
Biliary Tumor Ablation with Photodynamic Therapy and Radiofrequency Ablation.
Smith I, Kahaleh M Gastrointest. Endosc. Clin. N. Am. 2015 Oct 25 4 793-804
Emerging Role of Endoscopic Ultrasound in the Diagnostic Evaluation of Idiopathic Pancreatitis.
Smith I, Ramesh J, Kyanam Kabir Baig KR, Mönkemüller K, Wilcox CM Am. J. Med. Sci. 2015 Sep 350 3 229-34
Endoscopic extra-cavitary drainage of pancreatic necrosis with fully covered self-expanding metal stents (fcSEMS) and staged lavage with a high-flow water jet system.
Smith IB, Gutierrez JP, Ramesh J, Wilcox CM, Mönkemüller KE Endosc Int Open 2015 Apr 3 2 E154-60
Endoscopic versus surgical therapy for Barrett's esophagus neoplasia.
Smith I, Kahaleh M Expert Rev Gastroenterol Hepatol 2015 Jan 9 1 31-5
Probe-based confocal laser endomicroscopy for indeterminate biliary strictures: refinement of the image interpretation classification.
Kahaleh M, Giovannini M, Jamidar P, Gan SI, Cesaro P, Caillol F, Filoche B, Karia K, Smith I, Gaidhane M, Slivka A Gastroenterol Res Pract 2015 2015 675210
Impact of metabolic syndrome on the hospitalization rate of Crohn's disease patients seen at a tertiary care center: a retrospective cohort study.
Fitzmorris PS, Colantonio LD, Torrazza Perez E, Smith I, Kakati DD, Malik TA Digestion 2015 91 3 257-62
Safety of endoscopic retrograde cholangiopancreatography in pregnancy: Fluoroscopy time and fetal exposure, does it matter?
Smith I, Gaidhane M, Goode A, Kahaleh M World J Gastrointest Endosc 2013 Apr 5 4 148-53


Featured Books Legend Featured Books

Professional Associations/Affiliations

  • American College of Gastronenterology (2018)
  • American Gastroenterological Association (2018)
  • American Neurogastroenterology and Motility Society (2018)
  • American Society for Gastrointestinal Endoscopy (2018)
  • Texas Society of Gastroenterology and Endoscopy (2017)