Meet the faculty of the University of Louisville Division of Gastroenterology, Hepatology and Nutrition.


FacultyClinical Expertise
Kristine Krueger, M.D.Chief, Academic and Clinical Affairs; Therapeutic Endoscopy; Gastroenterology;
Complementary & Alternative Medicine
Craig McClain, M.D.Chief, Research Affairs; Alcohol Associated Liver Disease; Environmental Live Disease;
Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD); Nutrition

Clinical Faculty

FacultyClinical Expertise
Thomas Abell, M.D.Gastrointestinal Motility; Gastroparesis
Ashutosh Barve, M.D., Ph.D.Hepatology; Liver Transplantation; Hepatocellular Carcinoma; Hepatitis C
Matthew Cave, M.D.Hepatology; Liver Transplantation; Nutrition
Gerald Dryden, M.D., MSPH, M.Sc.Inflammatory Bowel Disease; General Gastroenterology
Loretta Jophlin, M.D., Ph.D.Hepatology; Liver Transplantation; Alcohol Associated Liver Disease
Nanlong "Nathan" Liu, M.D.Advanced Endoscopy; ERCP; EUS; ESD; POEM; G-POEM; Third Space Endoscopy; Bariatrics;
Endoscopic Sleeve; Advanced Resection
Tzu-Yu 'June' Liu, M.D.Hepatology; Liver Transplantation
Luis Marsano, M.D.Hepatology; Liver Transplantation; Nutrition
Stephen McClave, M.D.Endoscopic Ultrasound; Critical Care Nutrition; Nutrition Education
Endashaw Omer, M.D., MPHEndoscopic Ultrasound (EUS); Pancreatic Disorders; Enteral Access; General  Gastroenterology
Dipendra Parajuli, M.D.Therapeutic Endoscopy; General Gastroenterology
Benjamin Rogers, M.D., MSGastrointestinal Motility; GERD; General Gastroenterology
Brett Rossow, M.D.General Gastroenterology
Ashwani Singal, M.D., MSHepatology; Liver Transplantation; Alcohol Associated Liver Disease and Alcohol Use Disorder; Porphyria
Abigail Stocker, M.D.Gastrointestinal Motility; General Gastroenterology
Robert Tatum, Pharm.D., PA-CHepatology; Liver Transplantation; Chronic Viral Hepatitis (B&C)
Brandon Wuerth, M.D.Inflammatory Bowel Disease; General Gastroenterology

Research Faculty

FacultyResearch Interests
Thomas Abell, M.D.Endoscopic Device Development
Shirish Barve, Ph.D.Alcohol and Immune Function; Epigenetics and Immune Function, HIV
Matthew Cave, M.D.Environmental Liver Disease
Gerald Dryden, M.D., MSPH, M.Sc.Endoscopic Device Development
Smita Ghare, Ph.D.Epigenetics, HIV and Liver Disease
Andrea Reyes Vega, M.D., M.Sc., MHPEClinical Trials in Aging, Alcohol and HIV
Ashwani Singal, M.D., MSMitochondrial Bioenergetics and Metabolism
Ming Song, M.D., Ph.D.Fructose and Fatty Liver; Spinal Cord Injury and Liver Disease; Nuclear Hormones and Liver Disease
Vatsalya Vatsalya, M.D., Pg.D., M.Sc., MSNovel Human Alcohol Mechanistic Paradigm; Treatment Assessment of AUD;
Gut-Brain Axis; Organ Injury (AALD); AUD-Viral Comorbidity
Banrida Wahlang, Ph.D.Environmental Toxicology; Endocrine Disruption; Environmental Liver Disease; Gut-Liver Interactions; Sex Differences
Walter "Bert" Watson, Ph.D.Oxidative Stress and Redox Signaling; Environmental Toxins and Liver Injury; Alcoholic and Non-alcoholic Fatty Liver Disease