I would have said "I'm sure you're certainly not going to charge me for this amateur comedy routine", gotten up and left WITHOUT checking out at the desk.
I would return the letter with a big CANCELLED written on the front.
I am so tired of these doctors thinking they're God but doing absolutely nothing for us. Honestly, I think this group of MSer's here knows more about MS than the Neurologists do.
***Gee...I just reread my post and I'm getting ornery in my old age!!***