Dr. Kostur is a board-certified pediatrician with over a decade of pediatric experience in general office pediatrics and emergency pediatrics. Dr. Kostur is a fellow of the American Academy of Pediatrics and completed her pediatric residency in 2003 at one of the nation's top-ranked children's hospitals, Cincinnati Children's Hospital Medical Center.
Dr. Kostur earned her M.D. from Loyola University of Chicago in 2000 and completed undergraduate studies at Northwestern University in Evanston, IL. She is affiliated with and an active member at Baptist Hospital, Wolfson's Children's Hospital, and Baptist South Medical Center.
In 2008, after relocating from Cincinnati, Dr. Kostur started her own practice - Jacksonville Kids Pediatrics. Dr. Kostur resides in Jacksonville with her husband, Dr. Michael Petr, and their two children, Michael, age 11, and Eva, age 8.