NorthShore University HealthSystem and Edward-Elmhurst Health plan merger Ryan Voyles 3 years ago NorthShore University HealthSystem and Edward-Elmhurst Health plan to merge under a new parent system, the organizations officially announced Wednesday.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.