OSF to open rehab center in Peru on July 10 Ryan Voyles 1 year ago OSF HealthCare said Monday it will open a rehabilitation center in Peru next month, the first of several planned services for the Illinois Valley since the recent closure of St. Margaret's Health.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.