XXXX .XXXX clinic said I had a copay for {$960.00} which I paid upfront.I got a account XXXX and additional amount.I called then up and told them I have already paid it.They send my bill to a collection agency.I called and tell them I refuse to pay it because I have already paid it 1 year later the XXXX clinic send me a XXXX for XXXX for over payment I called the collection agency and offer to pay them They refused the amount .My credit record is ruined and they still do not want to listen to me or help me Why am I beiing punished if they could not do there work