Thomas L. Abell, M.D.

Thomas L. Abell, M.D.

Thomas L. Abell, M.D.

  • Professor of Medicine
  • Arthur M. Schoen, M.D., Chair in Gastroenterology
GI Motility Clinic
220 Abraham Flexner Way, Ste. 300
Louisville, KY 40202

502-852-6991 - Academic Office
502-588-7690 - Patient Appointments
502-540-1400 - Research Office


Clinical Expertise
Gastrointestinal Motility; Gastroparesis; Endoscopic Device Development


Board Certifications

  • American Board of Internal Medicine -
    Internal Medicine / Gastroenterology

Education and Training

  • Medical School: University of South Dakota
  • Residency: The Ohio State University Hospitals; Baptist Memorial Hospital/University of Tennessee-Memphis; Southern Illinois University
  • Fellowship: Mayo Foundation; University of Tennessee

Featured Publications

  • Saleem S, Tarar ZI, Amjad W, Malik A, Ishtiaq R, Abell TL. Association between Gastroparesis and Rheumatoid Arthritis: A US Population-Based Study. South Med J. 2023 Jun;116(6):443-447. doi: 10.14423/SMJ.0000000000001567. PMID: 37263604.
  • Parkman HP, Yates KP, Sarosiek I, Bulat RS, Abell TL, Koch KL, Kuo B, Grover M, Farrugia G, Silver P, Abdullah A, Maurer AH, Malik Z, Miriel LA, Tonascia J, Hamilton F, Pasricha PJ, McCallum RW; NIDDK Gastroparesis Clinical Research Consortium. Buspirone for early satiety and symptoms of gastroparesis: A multi-centre, randomised, placebo-controlled, double-masked trial (BESST). Aliment Pharmacol Ther. 2023 Jun;57(11):1272-1289. doi: 10.1111/apt.17479. Epub 2023 Apr 13. PMID: 37052334; PMCID: PMC10202558.
  • Varghese C, Schamberg G, Calder S, Waite S, Carson D, Foong D, Wang WJ, Ho V, Woodhead J, Daker C, Xu W, Du P, Abell TL, Parkman HP, Tack J, Andrews CN, O'Grady G, Gharibans AA. Normative Values for Body Surface Gastric Mapping Evaluations of Gastric Motility Using Gastric Alimetry: Spectral Analysis. Am J Gastroenterol. 2023 Jun 1;118(6):1047-1057. doi: 10.14309/ajg.0000000000002077. Epub 2022 Dec 20. PMID: 36534985.
  • Wang WJ, Foong D, Calder S, Schamberg G, Varghese C, Tack J, Xu W, Daker C, Carson D, Waite S, Hayes T, Du P, Abell TL, Parkman HP, Huang IH, Fernandes V, Andrews CN, Gharibans AA, Ho V, O'Grady G. Gastric Alimetry ® improves patient phenotyping in gastroduodenal disorders compared to gastric emptying scintigraphy alone. medRxiv [Preprint]. 2023 May 25:2023.05.18.23290134. doi: 10.1101/2023.05.18.23290134. PMID: 37292604; PMCID: PMC10246136.
  • Parkman HP, Blackford AL, Murray HB, Yates KP, Grover M, Malik Z, Schey R, Bulat RS, Koch KL, Sarosiek I, Kuo B, Shulman RJ, Chumpitazi BP, Farrugia G, Miriel L, Tonascia J, Hamilton F, Pasricha PJ, McCallum RW, Abell TL; NIDDK Gastroparesis Clinical Research Consortium. Characteristics and outcomes of patients with gastroparesis using enteral and/or exclusive parenteral nutrition. JPEN J Parenter Enteral Nutr. 2023 May;47(4):541-549. doi: 10.1002/jpen.2493. Epub 2023 Mar 22. PMID: 36871132; PMCID: PMC10164106.
  • Abell TL, Kuo B, Esfandyari T, Pfeifer ND, Grimaldi M, Renzulli C, Tacchi R, Zhou K, Barnes CN, Nguyen DD, Nguyen L, Talley NJ, McCallum R. A randomized, double-blind, placebo-controlled, phase 2b study of the efficacy and safety of velusetrag in subjects with diabetic or idiopathic gastroparesis. Neurogastroenterol Motil. 2023 Apr;35(4):e14523. doi: 10.1111/nmo.14523. Epub 2023 Jan 9. PMID: 36624727.
  • O'Grady G, Varghese C, Schamberg G, Calder S, Du P, Xu W, Tack J, Daker C, Mousa H, Abell TL, Parkman HP, Ho V, Bradshaw LA, Hobson A, Andrews CN, Gharibans AA; BSGM Working Group. Principles and clinical methods of body surface gastric mapping: Technical review. Neurogastroenterol Motil. 2023 Mar 29:e14556. doi: 10.1111/nmo.14556. Epub ahead of print. PMID: 36989183.
  • Naing LY, Heckroth M, Mathur P, Abell TL. Gastroparesis syndromes: emerging drug targets and potential therapeutic opportunities. Expert Opin Investig Drugs. 2023 Mar;32(3):245-262. doi: 10.1080/13543784.2023.2186222. Epub 2023 Mar 28. PMID: 36872904.
  • Saleem S, Tarar ZI, Aziz M, Ishtiaq R, Guzman Rojas P, Abell TL. Gastroparesis in geriatrics population: A United States population study. Am J Med Sci. 2023 Mar;365(3):226-231. doi: 10.1016/j.amjms.2022.12.003. Epub 2022 Dec 12. PMID: 36521532.
  • Koch KL, Van Natta M, Parkman HP, Grover M, Abell TL, McCallum RW, Shaltout HA, Sarosiek I, Farrugia G, Shulman RJ, Tonascia J, Miriel L, Hamilton F, Pasricha PJ; Gastroparesis Clinical Research Consortium. Effect of liquid and solid test meals on symptoms and gastric myoelectrical activity in patients with gastroparesis and functional dyspepsia. Neurogastroenterol Motil. 2023 Feb;35(2):e14376. doi: 10.1111/nmo.14376. Epub 2022 Apr 11. PMID: 35411675; PMCID: PMC9884454.