Review board approves OSF’s purchase of St. Margaret’s Peru hospital Ryan Voyles 10 months ago The Illinois Health Facilities and Services Review Board signed off Thursday on OSF HealthCare’s purchase of St. Margaret’s Health’s now-shuttered hospital in Peru.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.