"Health care insurer" means an entity, including but not limited to insurance companies, hospital service nonprofit corporations, nonprofit medical service corporations, health care corporations, health maintenance organizations, and preferred provider organizations, [...]

"Health care insurer" means an insurer, a fraternal benefit society, a health care plan, a nonprofit medical service corporation, a nonprofit hospital service corporation, a health care corporation, a health maintenance organization, or any other entity authorized to [...]

"Health care insurer" means an insurer, a fraternal benefit society, a health care plan, a nonprofit medical service corporation, nonprofit hospital service corporation, or a health maintenance organization authorized to sell accident and sickness insurance policies, [...]