John Muir Health's Medical Imaging Centers are focused on delivering the highest quality care for patients throughout their treatment experience. Our imaging sites are located throughout the county are staffed by licensed technologists and board-certified radiologists. With the variety of services offered in the medical imaging departments, John Muir Health's dedication and success in delivering quality care is reflected in the information below. Accreditations All of our mammography departments completed the American College of Radiology (ACR) Accreditation Program and are fully accredited. In addition, we have ACR accreditations in Ultrasound, Nuclear Medicine, MRI and Computed Tomography.