Christopher Naitza, Psychiatric Nurse Practitioner works in the North Andover, MA office at LifeStance. Areas of Expertise: ADHD, Anxiety, Bipolar Disorder, Depression, Grief, Medical Conditions/Health Psychology, Obsessive Compulsive Disorder (OCD), Psychosis/Schizophrenia. Ages seen: 27-40, 41-64. Take the first step towards improved mental health. Call or book online today.