215 ILCS 5/370k

(a) All administrators of a preferred provider program subject to this Article shall register with the Department of Insurance, which shall by rule establish criteria for such registration including minimum solvency requirements and an annual registration fee for each administrator. (b) The Department of Insurance shall compile and maintain a listing updated at least annually of administrators and insurers offering agreements authorized under this Article. (c) Preferred provider administrators are subject to the provisions of Sections 368b, 368c, 368d, and 368e of this Code.