The other people to contact there are your insurers. Despicable as some of them may be, they too hate provider fraud. Even if they don't appear to do something

The other people to contact there are your insurers. Despicable as some of them may be, they too hate provider fraud. Even if they don't appear to do something to censure the provider, it is on their file, and enough complaints will be problematic. I had a similar situation with a kidney stone. Transferred from my hospital to another by ambulance - I was moved from the ambulance gurney to the surgery bed in the hallway of the ER, and was billed for a ER visit among everything else, though no care had been rendered, no ER staff had been involved (hospital transport techs), it just happened to happen in the ER, and not even in a room.