Donald Hager, Counselor works in the Groton, MA office at LifeStance. Areas of Expertise: Anxiety, Depression, Gender Identity, Grief, Later Life Transitions, Men's Issues, Midlife Transitions, Sleep Disorders/Insomnia. 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.