Chad Saint-Amant, Psychiatric Nurse Practitioner works in the Nashua, NH office at LifeStance. Areas of Expertise: ADHD, Alcohol and Drug Use Issues, Anxiety, Bipolar Disorder, Depression, Grief, Obsessive Compulsive Disorder (OCD), Postpartum Depression/Anxiety, Psychosis/Schizophrenia, PTSD/Trauma, Sleep Disorders/Insomnia. Ages seen: 15-17, 18-21, 22-26, 27-40, 41-64. Take the first step towards improved mental health. Call or book online today.