Medicaid managed care enrollment grew 13 percent in 2018 Mar 12, 2019 | Medicaid/Medicare, Top Stories The state’s Medicaid managed care rolls grew 13 percent last year, rising to 2,153,887.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.