Barry Light, M.D. 16216 Baxter Rd, Chesterfield, MO63017 Dr. Barry Light is a pediatrician in Chesterfield, serving patients throughout St. Louis County. He graduated from the…More University of Missouri - Columbia School of Medicine and performed his residency and internship at the St. Louis Children's Hospital. Dr. Light additionally has worked with the Missouri Baptist Medical Center. For more information on his practice, or to schedule an appointment, please call the number provided.