Preheat oven to 350° F, and position oven rack in the middle.
Scrub the potatoes using a stiff brush, and rinse under cool water. Dry potatoes with a clean towel. Look over the cleaned potatoes, and remove any eyes (the part where the plant grows out), bruises, or discolored spots. Drizzle oil over each potato and sprinkle with salt. Rub the oil and salt all over the potato using your hands so that the whole potato is lightly coated with oil and salt. Pierce each potato with a fork or sharp knife several times, and wrap each potato in a piece of foil.
Place prepared potatoes on a cookie sheet or large baking dish and bake until tender when pierced with a fork, about 45-60 minutes. Remove baked potatoes from the oven, and allow to cool so that you can easily handle them.
While potatoes cool, combine cream cheese, sour cream, garlic, and Italian seasoning in a medium bowl. Taste and add salt and pepper if desired. Stir in crab meat, chopped green onion, and mozzarella cheese. Set filling aside.
If the potatoes wobble as they sit on the baking sheet, cut a small amount off the bottom so they sit flat. Cut a cavity in the center of each potato, and scoop out the potato leaving a sturdy wall or potato around the outside. Save the scooped out potato flesh for another use.
Divide filling among potato skins, and place filled potatoes back on the baking sheet or large baking dish. Bake in the 350° F for 20 to 30 minutes or until filling is hot and bubbly. Garnish with fresh parsley or additional green onion as desired.