The attorney must provide a partial refund.

It makes sense to be concerned. Request the money returned, in writing. And file a complaint with the State Bar.

Before a lien can be placed for a debt not related to the home a judgment must first be obtained. They might still sue even if judgment proof.

Probably. But Consult with an experienced attorney in your state. Use the Avvo search tool to find an attorney.

Check the radiology records to see if the are allowed to bill you even if there is insurance. Submit the bill to your insurance yourself.

You should check with your bankruptcy attorney as to what occurred.

If you have no assets subject to collection you may be able to get them to back off from collection activity.

The must be authorized for Any fees charged.

Do not provide them information but tell them to send proof to the address they have on file for you. Also check your credit report.

Having your testimony and not recordings or documents, makes it harder to prove a case. You can recover the cost of the item and court costs, but...