Where do I find the prior authorization grid? By Kat Cooper Posted July 3, 2018 In Where do I find the prior authorization grid?2018-07-032018-07-03/wp-content/uploads/2017/03/uh-logo-horizontal.pngUmpqua Health/wp-content/uploads/2017/03/uh-logo-horizontal.png200px200px Please see the provider page of our website here.