One of original AllStars was out in that area, but he recently retired and spends most of his free time fishing and making wine.  I don't remember the name of the firm he worked for, but I believe they were located across the street from the prestigious law firm of Dewy Cheatum and Howe.  But in the meantime, you could start looking in the link below:

Find A CPA | Idaho Society of Certified Public Accountants (ISCPA) (idcpa.org)