I was turned over to a collection agency for my son's medical bill 2 years after visit. He lives with his father in another state and I carry health insurance. I never knew he went to doctor, and claim was for shots which have now been turned in coded correctly. I don't sew how without my signature and never receiving a bill for 2 years they can put against my credit. Am I responsible if the insurance does not pay since I have never signed any papers for doctor's office and had no knowledge of visit up until now? How do I get collection agency and doctors office to remove from my credit??? I have turned over to consumer protection and better business but still have not gotten resolution.