Dr. Rodolfo Pena-ariet is a pediatrician practicing in Jacksonville, FL. Dr. Pena-ariet is a doctor who specializes in the health care of children. As a pedicatrician, Dr. Pena-ariet diagnoses and treats infections, injuries, diseases and other disorders in children. Pediatricians typically work with infants, children, teenagers and young adults up to age 21. They practice medical care as well as preventative health care. Dr. Pena-ariet can oversee and manage the physical, mental and emotional health of their patients.