Dr. Jacquelyn Crews is a pediatrician practicing in ST. PETERSBURG, FL. Dr. Crews is a doctor who specializes in the health care of children. As a pedicatrician, Dr. Crews 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. Crews can oversee and manage the physical, mental and emotional health of their patients.