N.H.
I don't have a child with autism but I work for a lab that does all the testing for doctors who treat autism. I would recommend
Pfeiffer Treatment Center
http://www.hriptc.org/index.php
Anju Usman, M.D.
True Health Medical Center
603 E. Diehl Rd., # 135
Naperville, IL 60563
ph: ###-###-####
fax: ###-###-####