Joseph’s Hospital and Medical Center. Dr. Trahan’s expertise includes thoracic and cardiothoracic imaging. She is a member of the Radiological Society of North America and American College of Radiology. Dr. Trahan received her medical degree from the Creighton University School of Medicine in Nebraska. She completed a residency in diagnostic radiology from St. Joseph’s Hospital and Medical Center. She then completed a cardiothoracic radiology fellowship from the Mayo Clinic in Scottsdale.