NRA Group, LLC Debt Collection Complaint

NRA Group, LLC Debt collection department,

Medical Cont'd attempts collect debt not owed Debt is not mine New Jersey

National recovery agency keeps calling to collect a debt they say is from - -, 2009. They say the bill - for $420.00! They have never sent anything in writing ( no bills or letters ) for six years! I have never received a bill -! I called - and they have no record of this bill or of me owing any money! Iwas seen at that hospital and all bills were taken care of through our insurance! They provided an account number which does not exist!