Katherine Maas, Psychiatric Nurse Practitioner works in the Arnold, MD office at LifeStance. Areas of Expertise: Childhood Behavior Issues, Gender Identity, Hoarding, Medical Conditions/Health Psychology, Men's Issues, Midlife Transitions, Reproductive Challenges, School Avoidance, Somatoform Disorders, Women's Issues. Ages seen: 06-10, 11-14, 15-17, 18-21, 22-26, 27-40, 41-64. Take the first step towards improved mental health. Call or book online today.