We've gathered several valuable resources regarding billing and Wellcare.  All links can be found on the WellCare site.  
Click here for Medicaid Provider Manual (Wellcare) 
Click 
here for NC Medicaid Quick Reference Guide (Wellcare)
Click 
here for Medicare Provider Manual and the Quick Reference Guide (Wellcare)
Click 
here for Filing Claims with WellCare
Click 
here for Authorizations (Medicare Providers)  
Click 
here for WellCare Billing Tips