Dr. William Fish Marsteller IV, MD

Dr. William Marsteller is a gastroenterologist and internal medicine physician with 20 years of experience treating digestive system disorders. He earned his medical degree from Ohio State University College of Medicine & Public Health and completed his residency at the Medical University of South Carolina. Dr. Marsteller provides care in both English and Spanish.

Dr. Marsteller practices at multiple locations throughout Charleston and Summerville, South Carolina, with hospital affiliations including Bon Secours Saint Francis Hospital, Roper Saint Francis Berkeley Hospital, and Summerville Medical Center. His expertise focuses on treating conditions such as colon polyps, GERD, and acid reflux. He performs diagnostic and therapeutic procedures including colonoscopy, upper GI endoscopy, and lower GI endoscopy. Patients rate Dr. Marsteller 4.8 out of 5 stars on average.