Yes extension agents can come to homes to examine problems, identify the cause and offer possible solutions using resources available through the University of Kentucky.
The massive shelf fungus on your tree is the fruiting body, spore producing, of one of several wood rot fungi. it is not curable, It is in the hard wood of the tree and will eventually affect the structural strength of the tree.
Please contact the Oldham County Cooperative Extension Service Office for additional help. 502-222-9453 http://oldham.ca.uky.edu/