The Commissioner shall act on any application for a clinic or instructor license under this chapter within 30 days after receipt by either granting or denying the application. Any applicant denied a clinic or instructor license shall, on his written request, made within 30 days, be given a hearing at a time and place determined by the Commissioner or his designee. All hearings under this section shall be public and shall be held promptly. The applicant may be represented by counsel. Any applicant denied a license may not apply again for a license for 30 days from the date of denial of the application or outcome of the hearing.