Advocate plans $52.2 million expansion of cardiovascular services in Naperville Ryan Voyles 8 months ago Advocate Health plans to build a $52.2 million ambulatory surgical treatment center and outpatient medical office building in Naperville.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.