Gastroenterology

Steven Zacks, MD, MPH, FRCPC
Dr. Zacks is the Program Director and received his medicine degree from the University of Toronto, completed his gastroenterology fellowship at SUNY Buffalo, and completed his transplant hepatology fellowship at UNC at Chapel Hill. Areas of interest: Fatty Liver Disease, Viral Hepatitis, Cirrhosis, Liver Cancer, and Liver Transplantation.

Shailendra Singh Chauhan, MD, AGAF, FASGE
Dr. Chauhan received his medical degree from the University of Cincinnati College of Medicine, completed his gastroenterology fellowship at the University of Cincinnati Medical Center and completed his Advanced Endoscopy Fellowship at St. Luke’s Pancreatic and Biliary Center in Milwaukee, Wisconsin. Areas of interest: interventional endoscopy, ERCP, EUD, GI stenting, enteroscopy, EMR, ESD, endoscopy in surgically altered anatomy, acute pancreatitis, chronic pancreatitis, pancreatic cysts and gastrointestinal malignancies.            

Andrew deLemos, MD
Dr. deLemos received his medical degree from the University of Pennsylvania School of Medicine. He completed his gastroenterology fellowship and advanced hepatology fellowship at Massachusetts General Hospital. Areas of interest: non-alcoholic fatty liver disease, autoimmune hepatitis and liver transplantation.           

Andrew M. Dries, MD
Dr. Dries is the Program Director of the 4th Year Advanced Endoscopy Fellowship, received his medical degree from the University of Rochester School of Medicine and Dentistry, and completed his gastroenterology fellowship at Baylor College of Medicine. Dr. Dries' areas of focus include endoscopic ultrasound and therapeutic pancreatic-biliary endoscopy.

John S. Hanson, MD, AGAF
Dr. Hanson received his medical degree from Washington University and completed his Digestive Disease Fellowship at Yale University School of Medicine. Areas of interest: inflammatory bowel disease, ulcerative colitis, transplant hepatology and Crohn's Disease.           

Jason Lewis, MD
Dr. Lewis received his medical degree from SUNY, Syracuse. He completed his gastroenterology fellowship at the University of Michigan and his advanced endoscopic fellowship at Thomas Jefferson University. Areas of interest: endoscopic ultrasound, therapeutic pancreatic-biliary endoscopy and enteral stenting for benign and malignant GI disease.

Thomas Roberts, MD
Dr. Roberts received his medical degree from the University of North Carolina and completed his gastroenterology fellowship at Ohio State University. Areas of interest: general gastroenterology and inflammatory bowel disease.

Mark W. Russo, MD, MPH
Dr. Russo received his medical degree from the Mount Sinai School of Medicine and completed his gastroenterology and transplant hepatology fellowships at the University of North Carolina. Dr. Russo is the Medical Director of Liver Transplantation at Carolinas Medical Center. Areas of interest: liver transplantation; drug induced liver disease, fatty liver disease and the treatment of chronic viral hepatitis.

See more information about the Transplant Hepatology Fellowship.

Paul Schmeltzer, MD
Dr. Schmeltzer received his medical degree from the Georgetown University School of Medicine and completed his gastroenterology fellowship training at the University of Cincinnati College of Medicine. He then completed a transplant hepatology fellowship at the Mayo Clinic Rochester. Areas of interest: viral hepatitis, drug-induced liver injury, and hepatobiliary malignancy.

Philippe Zamor, MD
Dr. Zamor received his medical degree from the Boston University School of Medicine. He completed his gastroenterology fellowship training at the University of Cincinnati College of Medicine and his transplant hepatology training at the Columbia University Medical Center. Areas of interest: treatment of hepatitis C, hepatocellular carcinoma and liver transplantation.