St. Vincent's Medical Center. Riverside Pediatrix Medical Group is a Child health care centre located in Riverside Jacksonville Florida, featuring 13 top reviews and a history of being Jacksonville's number one Child health care centre, rising to the top of the surrounding neighborhood market by providing exceptional customer service, expertise, and an active position in the community. If you're in need of a Child health care centre, look up St. Vincent's Medical Center. Riverside Pediatrix Medical Group!