Krishnamoorthi calls for further review of potential WellCare, Centene merger Ryan Voyles 5 years ago Congressman Raja Krishnamoorthi, D-Schaumburg, is raising concerns with the U.S. Department of Justice about a proposed merger between WellCare and Centene.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.