Computer Credit, Inc. Debt Collection Complaint

Computer Credit, Inc. Debt collection department,

Medical Cont'd attempts collect debt not owed Debt was paid New York

I was - in -/-/-. I resolved all debts with the hospital. -/-/-, 2 years after the incident I received duplicate bills that I had already paid more than a year ago. Upon numerous calls to the hospital - - system. I was told that they have installed a new payment system and it is sending erroneous bills and that I should just disregard them and any automated phone calls I have received. Then I received no other bills and received the debt collection notice in the mail. I have paid THOUSANDS of dollars to this hospital over this incident, and I am receiving debt collection on this $58.00?