Acupuncture Center of Portland EAST is the oldest working acupuncture clinic in the state of Oregon. We specialize in helping each patient dissolve their source of suffering in the body. Christopher M. Bonnichsen LAc and Dr. William Duarte LAc DAOM have over 45 years of experience helping patient get the most out of their lives. If you are in pain or are feeling imbalanced come learn how to change what is happening. Neurological issues, woman's health issues, motor vehicle accidents.