Preheat oven to 425 degrees.
Spread out raw dough from can onto greased cookie sheet.
Bake for 4 minutes.
In large skilled, saute the peppers, mushrooms, and onion in oil until tender; add garlic.
Spread pizza sauce onto prebaked crust, dot with cream cheese, sprinkle with mozzarella, all the veggies, beef, pepper rings, cheddar cheese, and oregano.
Bake for about 10 minutes, or until cheese is melted