Greater Nashua Mental Health provides a wide array of mental health and substance use disorder services, along with primary healthcare. We are here for you. Non-profit for Mental Health and Substance Use disorders. Greater Nashua Mental Health has as its mission: Empowering all people to thrive through excellent care, community engagement, and a commitment to innovation and growth. The agency provides comprehensive, results-based services to individuals and families of all ages, who are challenged with mental health and substance use disorders. We specialize in, but are not limited to, treatment for individuals with severe and persistent mental health disorders and co-occurring mental health and substance use disorders. Services are provided in office, community and school settings. We provide behavioral health services to individuals who are Deaf or Hard of Hearing, which are provided by Deaf and hearing licensed clinical mental health professionals, all of whom are proficient in ASL.