In the USA or Canada:
http://www.cavalierhealth.org/neurologists.htm
In the USA and International:
Or: http://find.vetspecialists.com/
In the UK:
http://www.vetindex.co.uk/vetindex/neuro_ref.htm
In the USA:
https://online.acvs.org/acvsssa/rflssareferral.query_page?P_VENDOR_TY=VETS
In the UK:
http://findavet.rcvs.org.uk/find-a-vet/advanced-search/
In the USA and International:
http://www.ahvma.org/find-a-holistic-veterinarian/http://www.ahvma.org/find-a-holistic-veterinarian/
American Academy of Veterinary Acupuncture: https://www.aava.org/
Chi Institute and China National Society of TCVM Certified Veterinary Acupuncturist (CVA):
http://www.tcvm.com/Resources/FindaTCVMPractitioner.aspx
Association of British Veterinary Acupuncturists:
http://www.abva.co.uk/find-a-vet/
In the USA and International:
http://www.caninerehabinstitute.com/Find_A_Therapist.html
*Some specialists require a referral from a general vet. Universities and teaching hospitals in your area might also have specialists available, please check with them too.