HI.
Here's a link to a whole bunch of neuros and speciality clinics in Knoxville. I have no idea if you've done the research on any of these, but just in case you haven't go down one by one, call them up and ask if they specialize (not just if they are familiar with..), PN.
Here you go!!!
http://knoxville.citysearch.com/yell...401/page1.html