(b) Notwithstanding the provisions of chapter thirty-three of this code to the contrary, participation by providers in a "PACE" program created and authorized pursuant to this article is not considered as providing insurance or as offering insurance services, and "PACE" providers and services are specifically excluded from the definitions of "insurer" and "insurance" as defined in article one, chapter thirty-three of this code, and from the definition of "health maintenance organization" as defined in article twenty-five-a of this code. Participating "PACE" providers are not unauthorized insurers pursuant to section four, article forty-four of chapter thirty-three of this code. These "PACE" programs are not subject to regulation by the Insurance Commissioner except to the extent set forth in this article.