Any dispute arising within the purview of this chapter with reference to the regulation and supervision of any health care corporation shall within 30 days after such dispute arises be submitted by the aggrieved person to the Commissioner for his decision with reference thereto, provided nothing in this Code section shall authorize or require the Commissioner to determine the contractual rights between the parties interested in any such corporations. After proper notice and hearing, any decisions and order of the Commissioner made pursuant to this chapter shall be binding on the persons involved unless set aside on review as provided by this Code section.