COOK pasta as directed on package, omitting salt.
MEANWHILE, cook chicken in large skillet on medium heat 5 to 6 min. or until done, stirring occasionally. Add next 5 ingredients; mix well. Cook 3 min. or until Neufchatel is completely melted and mixture is well blended, stirring frequently.
DRAIN pasta; place in large bowl. Add sauce; mix lightly. Sprinkle with Parmesan.