Random dont worry ... they will probably come back shortly and see your reply.. and mine too

I do not think any one state or city is the best of the best or the only good place to go. I honestly believe there are a good number of Neuro and pain specialist all across our beautiful country. . . ( I would have to say that some may be out of country helping with military or disaster areas . May God bless them ).
I wanted to leave you a link to the T.N.A. site where they have a list of neuro and providers by state.

http://www.fpa-support.org/providers/index.html

I hope this helps you and your cousin find a helpful experienced Doctor.
Has your cousin been offered a surgery or are they in search of good doctor care and pain management ??

Let us know how your cousin is doing and dealing.. maybe tell her about this forum give her the link. I am sure it would be helpful and informative for her to come read and the support is the best. As are you for learning about T.N. and helping your cousin.
PEACE
BMW

P.S.
I am was the first in U.S.A. to have a neuro stimulator also called P.E.N.S implanted for face pain. I am in Florida . I am medication free off all meds . I had excellent results. I think your probably looking for info on m.v.d. or gamma and I cant help much but I can connect you with others who have had those.