Health insurance issuer
Health insurance issuer (as defined in section 2791(2) of the PHS Act, 42 U.S.C. 300gg-91(b)(2) and used in the definition of health plan in this section) means an insurance company, insurance service, or insurance organization (including an HMO) that is licensed to engage in the business of insurance in a State and is subject to State law that regulates insurance. Such term does not include a group health plan.
45 CFR § 160.103
Except as otherwise provided, the following definitions apply to this subchapter: