http://www.latimes.com/business/lazarus/la-fi-lazarus-winning-insurance-appeals-20170117-story.html
It takes endurance (I have been on the phone for hours, sometimes during several days), but it can be address if you call the customer support number on the back of your insurance card. Listen, you paid for insurance. Maybe them pay for your medical expenses.
http://www.patientadvocate.org/
http://claims.org/