Cook pasta as directed on package, omitting salt.
Heat oil in large nonstick skillet on medium-high heat. Add chicken and vegetables; cook and stir 6 to 7 min. or until chicken is done. Add Cooking Creme; cook and stir 2 to 3 min. or until heated through.
Drain pasta, reserving 1/3 cup cooking water. Gradually add reserved water to sauce mixture until desired consistency is reached.
Add pasta; mix lightly.
Sprinkle with Parmesan.