UnityPoint Health, Sanford Health drop proposed merger Tim Stumm 5 years ago Iowa-based UnityPoint Health, which owns several hospitals in Illinois, and South Dakota-based Sanford Health have dropped their potential merger, according to a Tuesday statement.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.