I received collection in my credit report. 
I have insurance with unitedhealthcare which covers 100 %. 
Before my visit they told me that the insurance will cover everything. 

After my visit to the hospital, I received the bill, I contacted the insurance many times, they did not want to fix the problem. They told me to wait. I was waiting. Then I received the collection in my account from the creditorCreditor Contact DetailsFIRSTSOURCE ADVANTAGE XXXX XXXX XXXX, XXXX ( XXXX ) XXXX XXXX XXXX, XXXX AgencyFIRSTSOURCEamount $ XXXXCould you please let me know how to fix this issue? 

Thank youXXXX XXXX-mail XXXXXXXXXXXX