Thomas Mcgahan is a Gastroenterologist in Atlanta, Georgia. Dr. Mcgahan is highly rated in 1 condition, according to our data. His top areas of expertise are Exocrine Pancreatic Insufficiency, Eosinophilic Esophagitis, Trichohepatoenteric Syndrome, Endoscopy, and Gastrectomy. Dr. Mcgahan is currently accepting new patients.