After a bad experience with my local Neurologist I went back through my GP to get a second opinion from the Neurologists specialising in Parkinsons at NHNN Queens Square, London part of UCL.
The new guy is :-http://www.ucl.ac.uk/rlweston-inst/people/Tom-Warner
but usually I see one of his team. I have been very impressed by their professional and caring approach.
My local consultant being a neurologist had an overview of all sorts of neurological disorders whilst at NHNN they are focussed on Parkinsons / dystonia and so are far more specialised and numerous