SIU Medicine pediatricians provide care for children from birth through adolescence. About SIU Medicine pediatricians As a parent, you want reassurance that your child is receiving the best care possible. SIU Medicine's board-certified pediatricians are experienced in managing the physical, behavioral and mental health of children from birth through adolescence. Our pediatricians are trained to diagnose and treat a broad range of childhood illnesses from minor health problems to more serious diseases. Your pediatrician is the first person you call whenever your child is sick. In caring for