Insurance means a health plan that provides, or pays the cost of Part D drugs, including, but not limited to, any of the following:
(1) Health insurance coverage (as defined in 42 U.S.C. 300gg-91(b)(1));
(2) A Medicare Advantage plan (as described under section 1851(a)(2) of the Act); and
(3) A PACE organization (as defined under sections 1894(a)(3) and 1934(a)(13) of the Act) but specifically excluding a personal health savings vehicle.
42 CFR § 423.100
As used in this part, unless otherwise specified-