https://clinicaltrials.gov/: Repository of all publicly available information regarding all clinical trials conducted in the USA. This will include trial locations.
American Academy of Dermatology: This is an academic association for dermatologists in the United States.There is also a plethora of patient information present.
National Psoriasis Foundation
National Eczema Association
American Vitiligo Foundation
Global Vitiligo Foundation
International Pemphigus & Pemphigoid Foundation
Full Dermatology Services offered at Texas Dermatology Associates.