United healthcare is used by many tens of millions. Anyone who has had it for a few years has a very high probability of having a pre-authorization or a claim u

United healthcare is used by many tens of millions. Anyone who has had it for a few years has a very high probability of having a pre-authorization or a claim unfairly rejected, certainly including me. Even if the personal probability of a denial is 5%, that's still millions. United is not equipped to play doctor.