Danielle M Barnes MD

Danielle M. Barnes, MD, is a pediatrician and pediatric gastroenterologist serving at Naval Medical Center San Diego. A Lieutenant Commander in the U.S. Navy Medical Corps, she provides specialized care in Pediatric Gastroenterology, Hepatology, and Nutrition, with a clinical focus on complex gastrointestinal and nutritional disorders in children. Dr. Barnes completed her medical degree at Florida State University after graduating magna cum laude from the University of Florida. She then trained in pediatrics at Penn State University and pursued advanced fellowship training in Pediatric Gastroenterology, Hepatology, and Nutrition at Stanford University. In addition to her clinical responsibilities, Dr. Barnes is an Assistant Professor of Pediatrics at the Uniformed Services University of the Health Sciences. Her scholarly interests include fecal microbiota transplantation and microbiota changes in gastrointestinal disease, as well as short bowel (short gut) syndrome. She has contributed to peer-reviewed work on topics such as monitoring pediatric inflammatory bowel disease, donor considerations for fecal microbiota transplant, and probiotic applications in pediatric gastrointestinal conditions. Dr. Barnes also supports quality improvement efforts, including initiatives to optimize fecal microbiota transplantation protocols and accelerated infliximab approaches for pediatric inflammatory bowel disease.