Insurance covers it most of the time. That's not typically the issue. Doctors themselves (not any of their employees) need to call the insurance company and get

Insurance covers it most of the time. That's not typically the issue. Doctors themselves (not any of their employees) need to call the insurance company and get it approved. You know when you call your ISP and get put on hold for 30 minutes? It's exactly that. On the other side are people, frequently with no medical knowledge, that are there to do nothing more than waste your time for a bit before you ask for their manager. How are you supposed to treat all your patients when you spend 3 hours on the phone for one of them?