Centene to sell IlliniCare Health Plan to CVS Health Dec 2, 2019 | Insurance, Medicaid/Medicare, Top Stories Centene has entered a definitive agreement to sell its Illinois health plan subsidiary, IlliniCare Health Plan, to CVS Health, the two companies announced Monday morning.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.