- Background and Experience DR. DENNIS S. KESSLER, Doctor of Oriental Medicine, Diplomate of the National Board for Certification of Acupuncturists and Member of the California Association of Acupuncture and Oriental Medicine is licensed to practice Acupuncture in the State of California. He has served as an examiner for the National Boards, as well as having worked for the California State ...www.denniskessler.com/acupuncture