Dr. William Preston Sonnier, MD

Dr. William Sonnier is a gastroenterologist and internal medicine physician with 13 years of medical experience. He earned his medical degree from the University of South Alabama College of Medicine, building a strong foundation in digestive health and comprehensive internal medicine care.

Dr. Sonnier practices at multiple locations throughout Mobile, Alabama, including USA Health Digestive Health Center, USA Health Providence Hospital, USA Health University Hospital, USA Children's and Women's Hospital, and Springhill Medical Center. He specializes in treating complex digestive conditions such as Crohn's disease and ulcerative colitis. His expertise extends to managing short bowel syndrome and providing advanced treatments like infusion therapy and home infusion therapy for patients requiring specialized care.