Section 14. Any dispute or controversy arising between an insurer or sponsor and any attorney, insured, or member, or any person whose insurance certificate contract or membership certificate has been canceled or to whom an insurer or sponsor has refused to issue an insurance certificate contract or membership certificate or between any attorney and an insured or member may within thirty days after such dispute or controversy arises make written request to the commissioner for a hearing thereon. The commissioner or his designee shall hear such party or parties within thirty days after receipt of such request and shall give not less than fifteen days written notice of the time and place of the hearing. Such hearing shall be an adjudicatory hearing as defined in chapter thirty A. Within thirty days after such hearing the commissioner or his designee shall issue a decision thereon.