Dr. Hyojoon Hahn, MD

With 20 years of practice, Dr. Hyojoon Hahn is an established diagnostic radiology provider, MD, after earning their medical degree at Medical University Of South Carolina College Of Medicine in 1981. Dr. currently practices across 2 facilities, including in Los Angeles, California. Their National Provider Identifier (NPI) is 1407880073, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

CMS Medicare data shows Dr. Hyojoon Hahn as a high-volume diagnostic radiology provider, treating approximately 2K Medicare beneficiaries and delivering 4K services in the most recent reporting year. That panel size indicates sustained experience with complex Medicare cases.