This chapter is applicable to each: Group, blanket, or individual health insurance contract written on an expense-incurred basis which is issued or renewed in the State on or after April 1, 1997; Individual or group nonprofit health service plan contract which is issued or renewed on or after April 1, 1997; and Individual or group contract issued or renewed by a health maintenance organization on or after April 1, 1997. This chapter does not apply to a comprehensive health benefit plan issued to a small employer in accordance with Insurance Article, Title 15, Subtitle 12, Annotated Code of Maryland.