About / Overview
Timothy M. Marshall, MD is a pediatric gastroenterologist dedicated to providing compassionate, evidence-based care for children with digestive, liver, and nutritional disorders. He earned his medical degree from St. George’s University School of Medicine, completed his pediatric residency at Advocate Children’s Hospital in Illinois, and completed his advanced fellowship training in pediatric gastroenterology at the Medical University of South Carolina (MUSC).
Before pursuing medicine, Dr. Marshall earned both bachelor’s and master’s degrees in accounting from the University of Illinois at Urbana-Champaign, bringing a unique analytical perspective to patient care and quality improvement initiatives. Throughout his training, he has been actively involved in clinical research, medical education, and leadership, with a focus on improving outcomes for children with gastrointestinal conditions. His work has been presented at national meetings of the North American Society of Pediatric Gastroenterology, Hepatology and Nutrition.
Dr. Marshall is passionate about partnering with families to help children achieve the best possible health and quality of life. Outside of medicine, he enjoys playing guitar and piano, singing, golfing, gardening, cooking, traveling, and spending time with his wife and two young daughters.
Education / Credentials
Medical School
St. George’s University School of Medicine True Blue, Grenada
Doctor of Medicine (M.D.)
Residency
Advocate Children’s Hospital Park Ridge, IL
Internship and Residency in Pediatrics
Fellowship
Medical University of South Carolina (MUSC) Charleston, SC
Fellowship in Pediatric Gastroenterology
Locations
Erlanger Children's Gastroenterology 
979 East 3rd Street, Chattanooga, TN 37403
