Dr. Flagg is a board-certified radiologist specializing in cardiothoracic radiology. He received his medical degree from the Washington University School of Medicine in St. Louis. He then completed a diagnostic radiology residency at the New York University School of Medicine, including a mini-fellowship in body MRI, followed by a fellowship in cardiac and pulmonary imaging at the University of California, San Francisco. He joined CAIMA in 2018 and also serves as a volunteer Assistant Clinical Professor of Radiology at UCSF. His clinical interests include cardiovascular CT and MRI and high-resolution pulmonary imaging.