A radiologist is a health care provider who operates with X-rays and a number of medical imaging equipment. Radiologists specialize in analyzing the medical images of patients and providing major recommendations for initial therapy to the care physicians. Consults with patients to determine the appropriate treatment course. Treats benign and malignant growths with exposure to x-rays and radioisotopes. While hospitals and treatment centers generally employ health professionals who specialize in this area, there are also specialized radiology and imaging clinics that employ individuals for this job.