Kathryn Marren, GNP-BC Skilled Nursing Facilities, Christie Clinic in Champaign on Windsor1801 W Windsor RdChampaign, IL 61822 Christie Clinic in Champaign on Windsor1801 W Windsor RdChampaign, IL 61822 (217) 366-2250 Accepting New Patients View Profile for Kathryn Marren, GNP-BC close Karleen McNeal, MD, CMD Skilled Nursing Facilities, (217) 366-2250 Accepting New Patients View Profile for Karleen McNeal, MD, CMD close close