Gastroenterology, Hepatology & Nutrition
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The University of Louisville Division of Gastroenterology, Hepatology & Nutrition is dedicated to advancing digestive health through outstanding patient care, innovative research, and exceptional medical education. Guided by its mission, the division provides comprehensive, evidence-based treatment for gastrointestinal and liver diseases while fostering a culture rooted in diversity, equity, and inclusion. Patients benefit from personalized care delivered by experts who combine compassion with the latest clinical advances.
As part of a leading academic medical center, the division serves as a premier destination for medical education and training. Faculty members are nationally and internationally recognized clinicians, researchers, and educators who prepare the next generation of physicians through rigorous training, mentorship, and a commitment to clinical excellence. This strong educational environment encourages curiosity, critical thinking, and lifelong learning.
The division is also a global leader in gastrointestinal and liver research, with five faculty members recognized among the world's top 2% most-cited scientists. For more than 50 years, UofL researchers have pioneered studies on environmental causes of liver disease, including the landmark discovery of Toxicant-Associated Steatohepatitis (TASH). Supported by major federally funded programs such as the Hepatobiology & Toxicology COBRE and the Superfund Research Program, the division continues to drive critical research on environmental health threats, including vinyl chloride exposure, and serves as a key national resource during environmental health emergencies.
Luis Marsano GI Teaching Award
| Year / Recipient | Year / Recipient |
|---|---|
| 2025-2026 - Dr. Dipendra Parajuli | 2011-2012 - Dr. Luis Marsano |
| 2024-2025 - Dr. Nanlong "Nathan" Liu | 2010-2011 - Dr. Dipendra Parajuli |
| 2023-2024 - Dr. Nanlong "Nathan" Liu | 2009-2010 - Dr. Luis Marsano |
| 2022-2023 - Dr. Nanlong "Nathan" Liu | 2008-2009 - Dr. Luis Marsano |
| 2021-2022 - Dr. Endashaw Omer | 2007-2008 - Drs. John Wo and Dipendra Parajuli |
| 2020-2021 - Dr. Ashutosh Barve | 2006-2007 - Dr. Luis Marsano |
| 2019-2020 - Dr. Dipendra Parajuli | 2005-2006 - Dr. Abdul Jabbar |
| 2018- 2019 - Dr. Endashaw Omer | 2004-2005 - Dr. Richard Wright |
| 2017-2018 - Dr. Dipendra Parajuli | 2003-2004 - Dr. Craig McClain |
| 2016-2017- Dr. Dipendra Parajuli | 2002-2003 - Dr. Kristine Krueger |
| 2015-2016 - Dr. Gerald Dryden | 2001-2002 - Dr. Luis Marsano |
| 2014-2015 - Dr. Luis Marsano | 2000-2001 - Dr. John Wo |
| 2013-2014- Dr. Luis Marsano | 1999-2000 - Dr. Whitney Jones |
| 2012-2013 - Dr. Richard Redinger |
By the Numbers
Number of Faculty
Number of Endowed Chairs
Number of University Scholars
Number of Fellows
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Faculty
| Name | Rank | Posittion |
|---|---|---|
| Kristine J. Krueger, MD | Professor of Medicine | Chief, Academic and Clinical Affairs |
| Craig J. McClain, MD | Professor of Medicine | Chief, Research Affairs |
Endowed Chairs
| Faculty Member | Endowed Chair |
|---|---|
| Thomas Abell, MD | Arthur M. Schoen, MD, Chair in Gastroenterology |
| Kristine Krueger, MD | Nancy Middleton Smith Professorship |
| Luis Marsano, MD | Jewish Hospital Distinguished Professorship in Hepatology |
University Scholars
| Faculty Member | Scholar Level |
|---|---|
| Shirish Barve, PhD | Distinguished University Scholar |
| Matthew Cave, MD | Distinguished University Scholar |
| Craig McClain, MD | Distinguished University Scholar |
| Name | Rank | Areas of Interest |
|---|---|---|
| Thomas Abell, MD, FACG, FACP, FASGE, AGAF | Professor of Medicine | GI Motility; GI Electrophysiology; GI Stimulation |
| Ashutosh Barve, MD, PhD, FAASLD | Professor of Medicine | Liver Cancer; Liver Tumors; Cirrhosis and Portal Hypertension, ERCP; Liver Transplant; Viral Hepatitis; Acute and Chronic Liver Failure |
| Matthew Cave, MD, FAASLD | Professor of Medicine | General Hepatology; Non-Alcoholic Fatty Liver Disease; Occupational & Environmental Liver Disease; Transplant Hepatology and Nutrition |
| Gerald Dryden, MD, PhD, MSPH, FACG, AGAF, FASGE | Professor of Medicine | Inflammatory Bowel Disease (Ulcerative Colitis, Crohn's Disease, Pouchitis); Celiac Disease; General Gastroenterology; Colon Cancer Screening; Medical Device Development; Clinical Trials |
| Kevin Heine, MD | Assistant Professor of Medicine | VAMC: General Gastroenterology |
| Daniell Hill, MD, FACP, AGAF | Professor of Medicine | VAMC: General Gastroenterology; Hepatology; Cytokines in Alcoholic Liver Disease; Novel Therapies for Alcoholic Liver Disease; Colon Cancer Screening |
| Kristine Krueger, MD, FACG | Professor of Medicine | Colon Cancer Screening; Complementary & Alternative Medicine; General Gastroenterology; Therapeutic Endoscopy; ERCP; Sports Nutrition |
| Nanlong "Nathan" Liu, MD | Assistant Professor of Medicine | Advanced Endoscopy; ERCP; EUS; ESD; POEM; G-POEM; Third Space Endoscopy; Bariatrics; Endoscopic Sleeve; Advanced Resection |
| Luis Marsano, MD, FAASLD, AGAF, FACG, FASGE | Professor of Medicine | Cirrhosis and Portal Hypertension; Liver Transplant; Acute Liver Failure; Acute-on-Chronic Liver Failure; Viral Hepatitis; Autoimmune Liver Disease; Alcoholic Liver Disease; MASLD/MASH; Nutrition; GI Bleeding; Diarrhea |
| Prateek Mathur, MD | Assistant Professor of Medicine | Neurogastroenterology and GI Motility; Esophageal Disorders; Gastroparesis; Constipation; Disorders of Gut-Brain Interaction; Advanced Motility Testing; Gastric Electrophysiology; Nutrition, and General Gastroenterology |
| Craig McClain, MD, FACN, AGAF, FACG, FAASLD | Professor of Medicine | Alcohol-Associated Liver Disease (ALD); MASH/MAFLD; PBC; PSC; Cirrhosis; Nutrition |
| Stephen McClave, MD, PNS, FACN, FASPEN, AGAF, FASGE | Professor of Medicine | Critical Care Nutrition; Enteral Access; Esophageal Dilation; Nutrition |
| Endashaw Omer, MD, MPH, PNS, DABOM, AGAF, FACG | Professor of Medicine | EUS; Nutrition; Feeding Tubes; Obesity Medicine |
| Benjamin Rogers, MD, MS | Associate Professor of Medicine | Esophageal Disorders; Esophageal Reflux and Motility |
| Michael Schoech, MD | Professor of Medicine | Advanced Liver Disease; Cirrhosis, Portal Hypertension; Liver Transplantation; PSC/PBC/AIH; Viral Liver Disease (HBV/HCV/HDV/HEV); Steatotic Liver Disease (Alcohol Associated Liver Disease and MASLD/MASH) |
| Ashwani Singal, MD, MS, FACG, FAASLD, AGAF | Professor of Medicine | Alcohol-Associated Liver Disease; MASLD/MASH; Liver Transplantation; HRS-AKI; Porphyria |
| Abigail Stocker, MD | Associate Professor of Medicine | Gastrointestinal Dysmotility; General Gastroenterology |
| Robert Tatum, PharmD, PA | Assistant Professor of Medicine | Alcohol-Associated Liver Disease (ALD); MASH/ MAFLD; PBC; PSC; Cirrhosis; Hepatitis L/C |
| Brandon Wuerth, MD | Assistant Professor of Medicine | Inflammatory Bowel Disease |
| Name | Areas of Interest |
|---|---|
| Tracy Gowan, MSN, APRN-BC, FNP-C | Hepatitis C |
| Brent Kleier, APRN | General Gastroenterology |
| Lindsay McElmurray, PA-C | Gastrointestinal Dysmotility |
| Carmelita Moppins, APRN | Gastrointestinal Dysmotility |
| Lindsey Senn, APRN | Inflammatory Bowel Disease; General Gastroenterology |
| Panayiota Smeathers, APRN | Liver Transplantation |
| Name | Rank | Areas of Research |
|---|---|---|
| Shirish Barve, PhD | Professor of Medicine | Alcohol; HIV; Aging/Dementia |
| Frederick Ekuban, PhD | Assistant Professor of Medicine | Environmental-Alcohol Interaction in Liver Disease |
| Smita Ghare, PhD | Assistant Professor of Medicine | Alcohol; HIV; Aging |
| Andrea Reyes Vega, MD | Assistant Professor of Medicine | Alcohol; HIV; Aging |
| Ming Song, PhD | Associate Professor of Medicine | MASLD; Dietary Fructose and Copper |
| Vatsalya Vatsalya, PhD | Assistant Professor of Medicine | AUD; ALD |
| Banrida Whalang, PhD | Assistant Professor of Medicine | Environmental Liver Injury and Sex Differences |
| Walter "Bert" Watson, PhD | Professor of Medicine | Environmental Liver Injury |
| Name | Medical School | Residency |
|---|---|---|
| Advanced Endoscopy | ||
| Brandon Busch, MD | University of Mississippi | University of Louisville |
| Third-Year Fellows | ||
| Tzu-Yu "June" Liu, MD | Eastern Virginia Medical School | Brown University |
| David Malicote, MD | University of Louisville | University of Michigan |
| Scott Piechocki, MD, MS | University of South Alabama | Louisiana State University |
| Nicole Tragash, MD | Florida International University | University of South Florida |
| Evan Winrich, MD | University of Louisville | University of Louisville |
| Second-Year Fellows | ||
| James Burton, MD | University of Louisville | University of Iowa |
| Sirmad Chaudhary, MD | East Tennessee State University | University of Louisville |
| Danielle Jayanty, MD, MPH | St. George's University | University of Louisville |
| David Liu, MD | University of Louisville | University of Louisville |
| Ricardo Marin-Tamayo, MD | Universidad Peruana Cayetano Heredia | UAB |
| Kara Zirnheld, MD | University of Louisville | Tulane University |
| First-Year Fellows | ||
| Tamiru Berake, MD | Addis Ababa University | Tufts Medical Center |
| Muhammed Ceesay, MD | University of The Gambia | Charleston Area Medical Center |
| Cristina Chiodi, MD | Florida State University | University of Louisville |
| Allison Franz, MD | University of Toledo | University of Louisville |
| Mikayla Hennen, DO | Rocky Vista University | University of Louisville |
| Sheel Patel, DO | Marian University | University of Louisville |
Faculty Resources
- AASLD Practice Guidelines
- ACG Practice Guidelines
- AGA Practice Guidelines
- ASGE Practice Guidelines
- Asian Pacific Association for the Study of the Liver
- ASPEN Guidelines
- Cochrane Library Reviews Gastroenterology and Hepatology (browse reviews by topic)
- European Society of Gastrointestinal Endoscopy
- European Society for Clinical Nutrition and Metabolism
- European Society of Parenteral and Enteral Nutrition
- European Association for the Study of the Liver
- American Transplant Society Guidelines
- European Society for Organ Transplantation Liver Guidelines
- Asian Pacific Association for Study of the Liver Guidelines
- Infectious Diseases Society of America Guidelines
- Hepatitis C Guidelines
- International Foundation for Gastrointestinal Disorders
- Kentucky Society of Gastrointestinal Endoscopy
- KY Medicare Local Coverage Determinations
- UpToDate via Kornhauser Library - (need password outside of UofL)
- Endoscopic aspects of temporary gastric electrical stimulator lead placement in patients with gastroparesis and gastroparesis-like syndromes
- Treatment Options for Gastroparesis
- Colorectal Cancer Screening and Surveillance with Screening Colonoscopy
- Risk Score For Spontaneous Bacterial Peritonitis (SBP) on Admission
- Non-Invasive Liver Fibrosis Tests Calculator (APRI, FIB4, GUCI, Lok Index, CDS)
- Lille Model for Alcoholic Hepatitis
- Freiburg Index of Post-TIPS Survival (FIPS)
- MELD, MELD-NA, and MELD 3.0
- UofL FibroScan Interpretation Protocol 2026
- Vocal Penn Surgical Mortality Risk in Cirrhosis
- Current Treatment of Chronic Hepatitis C
- ACLF APASL Mortality Calculator
- GI Tables for Anticoagulation Discontinuation & Colonoscopy Screening
- HEPATITIS B and C - DRUG INTERACTIONS Database
- Hepatitis B Reactivation Prophylaxis Recommendations
- Alcoholic Hepatitis Global Score Link
- CLIF-EASL Acute Decompensation Calculator
- CLIF-EASL Acute on Chronic Liver Failure Calculator
- Endoscopy Atlas
- Fraction of Inspired Oxygen
- Hereditary Nonpolyposis Colorectal Cancer
- IBD, Pancreas, and GI Bleed calculators
- LiverTox
- Liver Donor Risk Index Calculator
- Liver Frailty Index Calculator
- Mayo Liver Disease Calculators
- MDCalc
- Minnesota Tube Kit Instructions for Variceal Bleeding
- MMR Predict
- NAFLD Fibrosis Score Calculator
- Wilson Disease Leipzig Score Calculator
- Wilson Disease Copper Calculator
- https://www.mdcalc.com/
- Resources for Alcohol Use Disorder Treatment
- Endoscopy Bleeder Tray
- Endoscopy Foreign Body Removal Tray
- Hemorrhoid Banding
- Patient Instructions
- Hospital Forms
- Consent Forms
- Fecal Microbiota Transplant (FMT) Informed Consent
- FMT Criteria Checklist
- Faculty Absence Form (2024)
- Fellow Absence Form
- Clinic Cancellation Form (to print correctly: Properties>effects>100%)
- Gmail test
Follow the link and click on "Browse Active Clinical Trials," then type GASTROENTEROLOGY in the Search Box, and "enter."
- Acid Related Disorders of the Stomach
- Acute GI Hemorrhage
- Acute-Chronic Hepatitis
- Biliary Tree Diseases
- Cirrhosis-Portal Hypertension-Transplantation
- Clinical Nutrition
- Diarrhea
- ERCP
- Esophageal Disorders
- GI lnfections/Diseases with lmmunocompromise
- GI Motility
- GI Neoplasms
- IBD
- Metabolic-Inflammatory Liver Diseases
- Miscellaneous
- Other Disorders of the Small and Large Intestine
- Pancreatic Diseases
- Procedures