Nicole Hermann-Metzger, Psychologist works in the Walnut Creek, CA office at LifeStance. Areas of Expertise: ADHD, Alcohol and Drug Use Issues, Anxiety, Bipolar Disorder, Childhood Behavior Issues, Depression, Gender Identity, Grief, Medical Conditions/Health Psychology, Men's Issues, PTSD/Trauma, School Avoidance, Sleep Disorders/Insomnia, Women's Issues. Ages seen: 15-17, 18-21, 22-26, 27-40, 41-64, 65+. Take the first step towards improved mental health. Call or book online today.