Cook rigatoni according to package directions. Drain; set aside. Meanwhile, in 10-inch skillet cook bacon over medium-high heat, stirring occasionally, until bacon is crisp (6 to 8 minutes). Reduce heat to medium. Add broccoli and garlic. Cook, stirring occasionally, until broccoli is crisply tender (4 to 5 minutes). Add cooked rigatoni, mozzarella cheese, and Parmesan cheese and ground red pepper. Continue cooking, stirring occasionally, until cheese is melted (3 to 5 minutes). Sprinkle with parsley.