I went to the ER over a year ago and I called Duva...

I went to the ER over a year ago and I called Duva-Sawko almost every month since to make sure my bill was being forwarded to my insurance correctly. I JUST discovered that my claim was being sent to the wrong address EVEN THOUGH my insurance sent back instructions and the correct address.

Now, it's too late for me to file with my insurance, but it's not due to my lack of diligence - it's due to Duva-Sawko's.

Update: I've called so many different times, don't give me your general number. Please fix your issues.