Meanwhile, heat large nonstick skillet sprayed with cooking spray on medium-high heat. Add chicken; cook and stir 2 minutes. Stir in salsa, corn and peppers. Bring to boil. Simmer on medium-low heat 10 minutes or until chicken is cooked thoroughly, stirring occasionally.
Drain pasta. Add to chicken mixture; mix lightly. Sprinkle with cheese. Remove from heat; cover. Let stand 1 minute or until cheese is melted.