Salary Ranges For Case Manager With 20 yrs of Nursing Experience

I am a Case Manager in a Long Term Facility in the NY Metropolitan area that has both subacute and long term residents. I deal with Managed Care. I have been in this position for 5 yrs and have 20 yrs of nursing experience total. Does anyone know the salary range for this type of position in the NY Metro area or could point me to website that could validate this for me. Any help is greatly appreciated. Thanks.