What the First Public Prior Auth Denial Reports Reveal — and How to Use Them at the Negotiation Table For the first time in history, hospitals can pull up a payer's website and see — in black and white — how often that payer denies prior authorization requests, how long they take to decide, and how many of those denials get overturned on appeal. The data is public. The accountability is new. And most hospital finance teams haven't done a thing with it. Under the CMS Interoper