Cook pasta in boiling salted water until al dente adding the spinach for the last minutes. Drain and set aside.
Add oil to saucepan and add chicken, garlic and basil. Cook until chicken is almost done. Stir in tomatoes and spaghetti sauce. Add the cream cheese and cook until cheese is melted. Add pasta and spinach mixture with 1 cup mozzarella cheese.
Place in a sprayed casserole pan. Bake for 15 minutes. Add the remaining mozzarella cheese and parmesan cheese and bake until cheese is melted.