There is no bigger fraud than medical billing.
12 years ago, my sister took me to the ER after she tested my glucose with her meter & it was over 500. I was there for 2 hours with IV insulin.
When the billing person came in with the bill, I gave her my credit card & they ran it for $3,500.00. Well....OK, whatever.
A few weeks later, I started getting bills for several thousand dollars from other medical centers 100 miles away that I'd never been to. When I called to find out what they were, I was told, "We sent your charts to other doctors for evaluation & you have to pay them, too."
I said, "Oh...really? I didn't ask for additional evaluation; I already knew I was diabetic before I came here, so if you wanted other doctors to "evaluate" me, you can pay them."
Yeah...."Pay other doctors you've never seen for evaluation...." Revenue Enhancement.........