Joseph Ahn MD, MS, FAASLD, FACG, AGAF

Dr. Joseph Ahn, MD, MS, FAASLD, FACG, AGAF, is a gastroenterologist and transplant hepatologist at Endeavor Health, where he serves as Division Chief of Gastroenterology and Hepatology. He is a highly experienced clinician specializing in digestive and liver diseases, providing comprehensive care for conditions affecting the esophagus, stomach, intestines, liver, and pancreas. Dr. Ahn’s clinical expertise centers on chronic liver diseases, including hepatitis B, hepatitis C, cirrhosis, and liver transplantation. He combines advanced diagnostic procedures with individualized treatment strategies to improve patient outcomes and long-term digestive health.

In addition to his clinical work, Dr. Ahn is actively engaged in research focused on liver disease, particularly viral hepatitis and metabolic-associated liver disease. He has contributed extensively to the field through clinical studies and scholarly publications, reflecting his role in advancing hepatology care. Dr. Ahn earned his medical degree from Northwestern University Feinberg School of Medicine, completed his residency in internal medicine at the University of Chicago, and pursued fellowship training in gastroenterology and hepatology at Northwestern University. He is board-certified in internal medicine, gastroenterology, and transplant hepatology.