Directions to AdventHealth Medical Group Pediatric Nephrology at Orlando AdventHealth Medical Group Pediatric Nephrology at Orlando 615 E Princeton St Suite 401 Orlando, FL 32803 Directions to AdventHealth Medical Group Pediatric Nephrology at Orlando AdventHealth Medical Group Pediatric Nephrology at Orlando 615 E Princeton St Suite 401 Orlando, FL 32803 Call AdventHealth Medical Group Pediatric Nephrology at Orlando at407-303-9194