Marian Pet/CT Center is a imaging & radiology center that offers many services, including ultra high-field 3t open mri, 3d digital breast tomosynthesis, and 4d ultrasonography - color vascular analysis. Visit Marian Pet/CT Center located at 1325 East Church Street, Santa Maria, CA. This Santa Maria imaging & radiology center is one of the best in California. As part of the Dignity Health network, Marian Pet/CT Center is dedicated to delivering high quality, compassionate care and access to Santa Maria and nearby communities.