Dr. Derrick R. Allen is a board-certified Diagnostic Radiologist with additional certification in Vascular and Interventional Radiology. He earned both his undergraduate and medical degrees from the University of Oklahoma. Following an Internal Medicine internship at the University of Oklahoma Health Sciences Center, Dr. Allen completed his residency in Diagnostic Radiology at the University of California, Irvine (UCI). He then pursued subspecialty fellowship training in Vascular and Interventional Radiology at the University of California, San Francisco (UCSF), where he later joined the clinical faculty as an Associate Professor. During his tenure at UCSF, Dr. Allen also gained expertise in Mammography and Breast Imaging. He now brings his extensive experience in Interventional Radiology and Breast Imaging to Imaging Healthcare Specialists.