At Health
http://www.athealth.com/
Directories of practitioners and treatment centers; information and resources for mental health.

Holistic Health Yellow Pages
http://www.findhealer.com/
Holistic Health Yellow Pages of over 50,000 practitioners

Holisticmed Directories of Practitioners
http://www.holisticmed.com/www/directory.html
Regional/local, and national/international listings