Pour cooking oil into a wok or large skillet. (Add more oil as necessary during cooking.) Preheat over medium-high heat. Stir-fry garlic in hot oil for 15 seconds.
Add zucchini and summer squash; stir-fry for 3 minutes. Add mushrooms and green onions; stir-fry about 1 minute more or until vegetables are crisp-tender. Add tomato, oregano, and 1/8 teaspoon pepper; stir-fry for 2 minutes more. Remove from heat.
Add hot cooked corkscrew macaroni and Romano or Parmesan cheese to the vegetable mixture. Toss to combine. Serve immediately. Sprinkle with provolone or mozzarella cheese and freshly ground pepper. Makes 4 servings.