Directions to AdventHealth Medical Group Internal Medicine at Celebration AdventHealth Medical Group Internal Medicine at Celebration 400 Celebration Pl Suite A350 Kissimmee, FL 34747 Directions to AdventHealth Medical Group Internal Medicine at Celebration AdventHealth Medical Group Internal Medicine at Celebration 400 Celebration Pl Suite A350 Kissimmee, FL 34747 Call AdventHealth Medical Group Internal Medicine at Celebration at407-303-4901