(1) An independent reviewer shall issue a written final determination of the fair market price of the services provided no later than 60 days following the hearing.

(2) The final determination must provide a reasoned basis for the fair market price with supporting factual findings and legal conclusions.

(3) The final determination must be held confidential by all parties and the independent reviewer. However, upon the request of the commissioner any party or independent reviewer shall provide information necessary to review the efficiency, effectiveness, or outcomes of this process.