Dr. Ahn graduated the medical school from the Catholic University Medical College. He did his internship at the North Shore - Long Island Jewish Health System and completed two residency programs: one at the Catholic Medical Centers of Brooklyn and Queens and the other at the North Shore- Long Island Jewish Health System. He is specialized in Radiology and board certified in Diagnostic Radiology. Dr. Ahn is affiliated with the Pomerado Hospital and the Scripps Mercy Hospital- San Diego.