Welcome to Advocate South Suburban Hospital. 17800 S Kedzie Ave, Hazel Crest, IL 60429. 708-799-8000. For patients. For visitors. About us. Contact us. Advocate Aurora Safe Care Promise. The Advocate Aurora Safe Care Promise provides peace of mind at every step of your journey with us. In person or online, we're here for you.Contact Us‧Hospital Information‧For Patients‧Health Services‧For Visitors‧Outpatient Services.