. >> reporter: jean medina got a $35,000 bill from the same company after her teenage gaugter, sophia, was air lifted 37 miles. >> it's just a crazy amount of money. >> reporter: the bills came from airmethods, the biggest for-profit air ambulance company, operating in 48 states, posting a profit last year of more than $100 million. company officials acknowledge airmethods charges far more than the actual cost of a flight, because they say they have to make up for underpayments by the poor and the elderly. >> look, if everybody paid their fair share, you know what the charge for this service would be? $12,000. >> reporter: but many insurance companies refuse to pay what they regard as the excessive cost, leaving the patients and their families on the hook. >> they said, don't worry about it, it's just a standard form, just give us permission to transport your daughter. >> reporter: but the standard form, which made him personally and fully responsible, did not why don't you put the price here? >> i -- i can -- i can get back with you on that. >> reporter: you don't know the answer to