Dr. Clark H. Hansen is a licensed Naturopathic Medical Doctor (N.M.D.) who has been in private practice in Scottsdale, Arizona, since 1986. He is the President and Medical Director of the Hansen Clinic of Natural Medicine, Aesthetics and Mesotherapy. Dr. Hansen is one of the most well respected Naturopathic Physicians in the country and a Diplomat of the World Society of Anti-Aging Medicine.