Cool slightly. Using a melon baller or teaspoon, scoop out inside, leaving a 1/4 inch shell. Place potato centers in a medium-size bow. Stir in mayonnaise, salsa, artichokes and mozzarella cheese. Spoon into shells, mounding the tops.
Preheat oven to 450 degrees. Sprinkle tops with parmesan cheese. Bake 5 to 10 minutes or until heated through.