Sec. 3. As used in this chapter, "insurer" means an insurance company issued a certificate of authority in Indiana to issue accident and sickness insurance policies. The term includes:
(1) a preferred provider plan (as defined in IC 27-8-11-1); and
(2) an insurance administrator that:
(A) collects charges or premiums; and
(B) adjusts or settles claims;
in connection with coverage under an accident and sickness insurance policy.