Katie O’Sullivan , MD

Dr. Katie O’Sullivan is a dual board-certified adult and pediatric endocrinologist at the University of Chicago. Dr. O’Sullivan completed her medical degree at Loyola University Stritch School of Medicine, followed by Med-Peds residency at University of California San Diego, and combined adult and pediatric endocrinology fellowship at University of Chicago. Her clinical expertise includes the management of adolescents and young adults with diabetes including type 1, type 2 and cystic-fibrosis-related diabetes as well as children and young adults with PCOS. Dr. O’Sullivan has partnered with Dr. Ritu Verma at the University of Chicago’s Celiac and Endocrinopathy clinic to provide comprehensive care for pediatric patients with celiac disease and associated endocrine disorders including type 1 diabetes, thyroid disease, and growth disorders.