Theoni Calvert, Psychologist works in the Mequon, WI office at LifeStance. Areas of Expertise: Anxiety, Depression, Grief, Later Life Transitions, Medical Conditions/Health Psychology, 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.