Ken Zimmerman, Psychiatric Nurse Practitioner works in the Eugene, OR office at LifeStance. Areas of Expertise: Anxiety, Bipolar Disorder, Depression, Grief, Later Life Transitions, Obsessive Compulsive Disorder (OCD). Ages seen: 18-21, 22-26, 27-40, 41-64, 65+. Take the first step towards improved mental health. Call or book online today.