Since 1997, the Radiologists at Houston MRI – Diagnostic Radiology of Houston have been providing excellent diagnostic imaging tests in the Houston area. The main focus at Houston MRI – Diagnostic Radiology of Houston is to provide high quality MRI and radiology exams in a comfortable Independent Diagnostic Testing Facility (outpatient setting) and thus save time and money for the patient. Hospital based testing is expensive, non-personal and you have to wait.