Dr. Robert Colyer is an adolescent specialist practicing in Jacksonville, FL. Dr. Colyer works with patients who are in the adolescent age, or generally between the ages of 11 and 19 years old. As an adolescent-specialist, Dr. Colyer treats many common health issues that pre-teens and teenagers face, from mental, to behavioral, to physical conditions. Some of these issues may include growth and hormone problems, sports injuries, eating disorders, substance abuse and more. Adolescent specialists perform medical exams, histories and diagnostic tests, and develop individualized treatment plans for each patient.