Narissa Marasso, Psychiatric Nurse Practitioner works in the Saint Louis, MO office at LifeStance. Areas of Expertise: Anxiety, Bipolar Disorder, Depression, Eating Disorders, Obsessive Compulsive Disorder (OCD), Postpartum Depression/Anxiety, PTSD/Trauma, Sleep Disorders/Insomnia. Ages seen: 18-21, 22-26, 27-40, 41-64. Take the first step towards improved mental health. Call or book online today.