Southwest Diagnostic Imaging is a merger between three premier radiology groups in the greater Phoenix metropolitan area. We recognize the value of every life and we are guided by our commitment to medical excellence and leadership. SDI is dedicated to our Arizona communities by providing high quality, safe, value-driven health care to all we serve. Through our affiliates, EVDI Medical Imaging, Scottsdale Medical Imaging, and Valley Radiologists, we have provided our patients, community, and medical professionals a tradition of innovation and patient-focused care for over 50 years. Together we are raising the standard of health care.