(a) An insurer subject to this chapter that maintains an Internet site shall list on the Internet site the preferred providers, including, if appropriate, mental health providers and substance abuse treatment providers, that insureds may use in accordance with the terms of the insured’s preferred provider benefit plan. The listing must identify those preferred providers who continue to be available to provide services to new patients or clients.
(b) The insurer shall update at least quarterly an Internet site subject to this section.

(c) The commissioner may adopt rules as necessary to implement this section. The rules may govern the form and content of the information required to be provided under Subsection (a).
(d) Notwithstanding any other provision of this chapter, this section applies to an entity subject to Chapter 941 or 942 and to a multiple employer welfare arrangement that holds a certificate of authority under Chapter 846.