Tyson Sievers, MD

Assistant Professor of Medicine, Division of Gastroenterology, Hepatology and Nutrition

Tyson Sievers

Contact Info

Mailing Address:
420 Delaware Street, SE
MMC 36
Minneapolis, MN 55455

Administrative Assistant Name
Colleen Unger

Administrative Phone

Administrative Email

Administrative Fax Number

Assistant Professor of Medicine, Division of Gastroenterology, Hepatology and Nutrition


Medical School, University of Minnesota, Minneapolis, Mn

Residency, University of Minnesota, Minneapolis, MN

Fellowship, University of Minnesota, Minneapolis, MN


I am interested in esophageal health, digestive tract motility, functional GI disorders, and scleroderma. I completed internal medicine residency and gastroenterology (GI) fellowship at the University of Minnesota and have spent additional time studying esophageal disorders, including Barrett's esophagus and eosinophilic esophagitis at the University of North Carolina in Chapel Hill, NC and esophageal motility at Washington University in St Louis, MO (through the American Neurogastroenterology and Motility Society). 


  • Swallowing disorders
  • Barrett's Esophagus
  • Scleroderma esophagus
  • Eosinophilic esophagitis
  • Achalasia
  • Heartburn/GERD
  • Esophageal strictures
  • Esophageal cancer
  • Esophageal Manometry

Professional Associations

  • Member, American Neurogastroenterology and Motility
  • Member, American College of Gastroenterology
  • Member, American Gastroenterological Association


Research Summary/Interests

  • Scleroderma esophagus
  • Barrett's esophagus outcomes
  • Eosinophilic esophagitis outcomes


  • Quader, F., Rogers, B., Sievers, T., Mumtaz, S., Lee, M., Lu, T., & Gyawali, C. P. (2020). Contraction reserve with ineffective esophageal motility on esophageal high-resolution manometry is associated with lower acid exposure times compared with absent contraction reserve. Official Journal of the American College of Gastroenterology| ACG, 115(12), 1981-1988.
  • Jonason, D. E., Sievers, T., Trocke, L., Abraham, J. M., & Vaughn, B. P. (2020). Normal ranges of thiopurine methyltransferase activity do not affect thioguanine nucleotide concentrations with azathioprine therapy in inflammatory bowel disease. Crohn's & Colitis 360, 2(3), otaa058.
  • Sievers TJ, Amateau SK. Fatal Aortoesophageal Fistula as a Suspected Complication of an Eroded Suture Tag. Am J Gastroenterol. 2019;114(3):377.


Academic Interests and Focus



Board Certifications

  • American Board of Internal Medicine
  • American Board of Internal Medicine, Gastroenterology

Clinical Interests

Radiofrequency ablation (RFA) and argon plasma coagulation (APC) of Barrett’s esophagus; Endoscopic mucosal resection (EMR) of esophageal nodules; Esophageal stricture dilation; Placement of wireless acid/pH probes (Bravo)