IDOI fines Centene’s Celtic Insurance Company $1.25 million Oct 19, 2022 | Insurance, Top Stories The Department of Insurance said Tuesday it has fined Centene Corporation’s Celtic Insurance Company $1.25 million for multiple violations of state and federal laws.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.