Debt collection — Remex, Inc. (NJ)

Debt was paid. My credit report shows that I am responsible for a debt of {$1800.00} for an XXXX from XXXX XXXX XXXX in XXXX, NJ from XXXX. This amount was already paid by my insurance company, XXXX, and I paid the co-pay. There is NO outstanding balance on the account. REMEX is the collection agency that has reported the debt to XXXX.