A recognized leader in heart care and stroke treatment, maternal and child health, orthopedics, surgical care, trauma and emergency services, behavioral health, and outpatient programs, Merrimack Health delivers trusted, compassionate care close to home. - Haverhill ED: A community-focused department with over 18,000 annual visits, the Haverhill Emergency Department provides high-quality, patient-centered emergency care, supported by a collaborative and collegial team.