Mass General Brigham Imaging (Salem, NH) – Imaging provides diagnostic imaging services, administered by licensed technologists. We offer several types of imaging exams, including X-Ray, CT, MRI, Breast Imaging and Ultrasound. Same day walk-in access is available for patients with X-Ray orders or those who need an annual Screening Mammogram. No appointment for these exams is necessary. For all other exams an appointment is required.