Welcome to Kennedy Chiropractic and Acupuncture, where Boulder chiropractor Dr. Douglas Kennedy has been helping people overcome pain and live active, pain-free lifestyles for 29 years. Neck Pain and Back Pain Relief in Boulder, CO With his high level of training in several spinal alignment procedures and the ancient, effective practice of acupuncture, Dr. Kennedy is able to treat the whole patient, getting to the Source of what is causing the pain.