Here's a typical scenario when you have a medical problem. You go to your doctor's office, then have to run across town to a lab for a blood test and then you also have to get an appointment for an X-ray or MRI. There's a good chance this will all require a phone call — or a lot of phones calls — with your insurance company.
It's a hassle and it's time-consuming.
But for many people it's even worse than that.