Hi,
Please refer to the links below you may find them helpful:
http://www.neuropsychologyboard.org/
http://dir.yahoo.com/Social_Science/Psychology/Branches/Neuropsychology/
http://www.bianh.org/resource/neuropsychologists.asp
Hope this helps!
Honestly, I've run into more neuropsychiatrists than neuropsychologists over the years. At any rate though, I'd try any of the teaching hospitals in your state.