In this chapter, the following terms have the meanings indicated. Terms Defined. “Allowed amount” has the meaning stated in Insurance Article, §14-201, Annotated Code of Maryland. “Assignment of benefits” has the meaning stated in Insurance Article, §14-201, Annotated Code of Maryland. “Carrier” means an insurer or nonprofit health service plan. “Covered service” has the meaning stated in Insurance Article, §14-201, Annotated Code of Maryland. “Explanation of benefits” means the document that is provided by a carrier to an insured that explains the claims paid, reduced, or denied by the carrier. “Hospital-based physician” has the meaning stated in Insurance Article, §14-201, Annotated Code of Maryland and does not include an on-call physician. “Insured” has the meaning stated in Insurance Article, §14-201, Annotated Code of Maryland. “Insurer” has the meaning stated in Insurance Article, §1-101, Annotated Code of Maryland. “Nonpreferred provider” has the meaning stated in Insurance Article, §14-201, Annotated Code of Maryland. “Nonprofit health service plan” means a person who has a certificate of authority to operate as a nonprofit health service plan in Maryland. “On-call physician” has the meaning stated in Insurance Article, §14-201, Annotated Code of Maryland. “Preferential basis” has the meaning stated in Insurance Article, §14-201, Annotated Code of Maryland. “Preferred provider insurance policy” means a policy or insurance contract issued or delivered in the State by a carrier under which health care services furnished by a preferred provider are paid on a preferential basis.