We've only tried the pizza and garlic bread (with cheese!) here, but they've been delicious. Our favorite is the pan pizza, which is like deep dish, and has a lightly crispy crust that's still soft and chewy beyond the edge and base. They're generous with their toppings, and the pizza has a good balance between cheese, sauce, and toppings.
Their customer service is also tops - we made an order via Postmates, and there was an error made when Postmates placed our order, and despite it not being Oregano's fault, they re-made our item at no charge and we picked it up ourselves.