Alexander Weymann, M.D.

Gastroenterology, Hepatology and Nutrition

phone: (314) 454-6173

Clinical Interests

Pediatric liver transplantation; cystic fibrosis liver disease; pediatric cholestatic liver disease; pediatric acute liver failure


  • M.D., Witten/Herdecke University1999


  • Residency in Pediatrics, Mount Sinai Medical Center2001 - 2004
  • Advanced Pediatric Hepatology and Transplant Hepatology Fellowship, Mount Sinai Medical Center2004 - 2005
  • Pediatric Gastroenterology and Nutrition Fellowship, Washington University School of Medicine/St. Louis Children's Hospital2005 - 2008

Licensure and Board Certification

  • American Board of Pediatrics - General Pediatrics2004
  • MO, Physician and Surgeon License2005
  • American Board of Pediatrics - Pediatric Gastroenterology2009
  • American Board of Pediatrics - Pediatric Transplant Hepatology2010
  • AR, Physician License - State Medical Board2016


  • Scholar of the Studienstiftung des Deutschen Volkes (German National Merit Foundation)1987 - 1999
  • Academic Year Program of the Biomedical Sciences Exchange Program, Berlin/Hannover/Mount Desert Island1996 - 1997
  • Research Scholarship of the Alfried Krupp von Bohlen and Halbach Foundation, Essen, Germany1996 - 1997
  • Research Scholarship of the Daniela and Jürgen Westphal Foundation, Hamburg, Germany1996 - 1997
  • Research Scholarship of the Peter and Ruth Wirts Foundation, Germany1997 - 1998
  • Kurt Hirschhorn MD Pediatric Resident Award - Mount Sinai Medical Center, New York, NY2003 - 2004
  • Postdoctoral Research Fellowship Award, American Liver Foundation2007 - 2008

Recent Publications view all (11)

Publication Co-Authors

  1. Faro A, Weymann A. Transplantation. Pediatr Clin North Am. 2016;63(4):709-34. PMID:27469184  
  2. Leung DH, Ye W, Molleston JP, Weymann A, Ling S, Paranjape SM, Romero R, Schwarzenberg SJ, Palermo J, Alonso EM, Murray KF, Marshall BC, Sherker AH, Siegel MJ, Krishnamurthy R, Harned R, Karmazyn B, Magee JC, Narkewicz MR, Cystic Fibrosis Liver Disease Network (CFLD NET).. Baseline Ultrasound and Clinical Correlates in Children with Cystic Fibrosis. J Pediatr. 2015;167(4):862-868.e2. PMCID:PMC4586395  PMID:26254836  
  3. Sommovilla J, Doyle MM, Vachharajani N, Saad N, Nadler M, Turmelle YP, Weymann A, Chapman WC, Lowell JA. Hepatic venous outflow obstruction in pediatric liver transplantation: technical considerations in prevention, diagnosis, and management. Pediatr Transplant. 2014;18(5):497-502. doi:10.1111/petr.12277  PMID:24815309  
  4. Gazit V, Huang J, Weymann A, Rudnick DA. Analysis of the role of hepatic PPARγ expression during mouse liver regeneration. Hepatology. 2012;56(4):1489-98. doi:10.1002/hep.25880  PMCID:PMC3465497  PMID:22707117  
  5. Shinawi M, Dietzen DJ, White FV, Sprietsma L, Weymann A. Early-onset hepatic fibrosis in lysinuric protein intolerance. J Pediatr Gastroenterol Nutr. 2011;53(6):695-8. doi:10.1097/MPG.0b013e318227b02d  PMID:21716135  
  6. Earl TM, Wellen JR, Anderson CD, Nadler M, Doyle MM, Shenoy SS, Chapman WC, Turmelle Y, Weymann A, Lowell JA. Small bowel obstruction after pediatric liver transplantation: the unusual is the usual. J Am Coll Surg. 2011;212(1):62-7. doi:10.1016/j.jamcollsurg.2010.09.017  PMID:21123094  
  7. Gazit V, Weymann A, Hartman E, Finck BN, Hruz PW, Tzekov A, Rudnick DA. Liver regeneration is impaired in lipodystrophic fatty liver dystrophy mice. Hepatology. 2010;52(6):2109-17. doi:10.1002/hep.23920  PMCID:PMC2991544  PMID:20967828  
  8. Anderson CD, Turmelle YP, Darcy M, Shepherd RW, Weymann A, Nadler M, Guelker S, Chapman WC, Lowell JA. Biliary strictures in pediatric liver transplant recipients - early diagnosis and treatment results in excellent graft outcomes. Pediatr Transplant. 2010;14(3):358-63. doi:10.1111/j.1399-3046.2009.01246.x  PMID:20003138  
  9. Weymann A, Hartman E, Gazit V, Wang C, Glauber M, Turmelle Y, Rudnick DA. p21 is required for dextrose-mediated inhibition of mouse liver regeneration. Hepatology. 2009;50(1):207-15. doi:10.1002/hep.22979  PMCID:PMC2705473  PMID:19441104  
  10. Clark A, Weymann A, Hartman E, Turmelle Y, Carroll M, Thurman JM, Holers VM, Hourcade DE, Rudnick DA. Evidence for non-traditional activation of complement factor C3 during murine liver regeneration. Mol Immunol. 2008;45(11):3125-32. doi:10.1016/j.molimm.2008.03.008  PMCID:PMC2600895  PMID:18452991  
  11. Tomer G, Ananthanarayanan M, Weymann A, Balasubramanian N, Suchy FJ. Differential developmental regulation of rat liver canalicular membrane transporters Bsep and Mrp2. Pediatr Res. 2003;53(2):288-94. doi:10.1203/01.PDR.0000047509.54253.01  PMID:12538788  
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