In this chapter, the following terms have the meanings indicated. Terms Defined. “Carrier” means an insurer, a nonprofit health service plan, or a health maintenance organization. “Commissioner” means the Maryland Insurance Commissioner. “Contract” means either of the following: A health insurance contract that is issued or delivered in Maryland by an insurer or a nonprofit health service plan that provides inpatient hospital, medical, or surgical benefits to individuals or groups on an expense-incurred basis; or A contract issued or delivered in Maryland by a health maintenance organization to individuals or groups. “Health maintenance organization” has the meaning stated in Health-General Article, §19-701, Annotated Code of Maryland. “Insurer” has the meaning defined in Insurance Article, §1-101, Annotated Code of Maryland. “Nonprofit health service plan” means a person who has received a certificate of authority from the Commissioner to act as a nonprofit health service plan in the State.