Directions to AdventHealth Medical Group Pediatric Gastroenterology at Orlando AdventHealth Medical Group Pediatric Gastroenterology at Orlando 615 E Princeton Street Suite 225 Orlando, FL 32803 Directions to AdventHealth Medical Group Pediatric Gastroenterology at Orlando AdventHealth Medical Group Pediatric Gastroenterology at Orlando 615 E Princeton Street Suite 225 Orlando, FL 32803 Call AdventHealth Medical Group Pediatric Gastroenterology at Orlando at407-303-9926