MaineHealth is a not-for-profit integrated health system consisting of eight local hospital systems, a comprehensive behavioral healthcare network, diagnostic services, home health agencies, and more than 1,500 employed and independent physicians working together through an Accountable Care Organization. With close to 19,000 employees, MaineHealth is the largest health system in northern New England and provides preventive care, diagnosis and treatment to 1.1 million residents in Maine and New Hampshire.