Preheat your oven to 350°F (175°C).
In a large mixing bowl, combine cooked rice, cream of chicken soup, and chicken broth.
Add diced bell peppers and broccoli to the mixture.
Season with garlic powder, salt, pepper, and paprika.
Fold in the cubed chicken until well mixed.
Transfer the mixture to a greased 9x13 inch baking dish.
Cover with aluminum foil and bake for 30 minutes.
Remove the foil and sprinkle shredded cheese on top.
Bake uncovered for an additional 15 minutes, or until the chicken is cooked through.
Allow to cool for a few minutes before serving.