http://www.acr.org/Quality-Safety/Accreditation/Accredited-Facility-Search
Find facilities that are accredited by the American College of Radiology. The ACR accredits facilities in: breast ultrasound, computed tomography (CT), magnetic resonance imaging (MRI), mammography, nuclear medicine, positron emission tomography (PET), stereotactic breast biopsy, ultrasound, and radiation oncology.