Diagnostic Imaging Department - California Hospital Medical Center - Los Angeles is a imaging & radiology center that offers many services, including CT scanning, MRI, and ultrasound. Visit Diagnostic Imaging Department - California Hospital Medical Center - Los Angeles located at 1401 S Grand Ave, Los Angeles, CA. This Los Angeles imaging & radiology center is one of the best in California. As part of the Dignity Health network, Diagnostic Imaging Department - California Hospital Medical Center - Los Angeles is dedicated to delivering high quality, compassionate care and access to Los Angeles and nearby communities.