Ascension Illinois – Addiction Services Palos Heights is a dedicated addiction treatment center and mental health service located at 11824 SW Hwy 230 230, Palos Heights, IL 60463. We offer a range of supportive services focused on recovery and mental wellness. Our office is open Monday through Friday from 8:30 AM to 5 PM, and we are here to help individuals on their journey to better health. For more information, visit our website at healthcare.ascension.org or call us at +18474933650.