Dr. Derrick Allen graduated the medical school from the University of Oklahoma College of Medicine. He did his internship at the University of Oklahoma Health Sciences Center and completed his residency program at the University of California Irvine. A fellowship followed at the University of California, San Francisco. He is specialized in interventional radiology and board certified in diagnostic radiology and vascular & interventional radiology. Dr. Allen has been in practice for more than 11 years and is affiliated with the Alvarado Hospital and Scripps Memorial Hospital La Jolla.