John Guynan, MD
About John Guynan, MD
Interventional Radiologist
Dr. John F. Guynan is a highly experienced interventional radiologist with 11 to 20 years of clinical practice. He earned his medical degree from the University of Nebraska College of Medicine and has since dedicated his career to the specialized field of radiology.
Dr. Guynan focuses on interpreting advanced imaging studies—including X-rays, PET scans, CT scans, and MRIs—to diagnose a wide range of medical conditions. In addition to diagnostic imaging, Dr. Guynan plays a critical role in cancer care, utilizing radiation therapy and interventional techniques to manage and treat cancerous tumors.