Dr. Dennis Der, MD

With 20 years of practice, Dr. Dennis Der is an established interventional radiology provider, MD, after earning their medical degree at Mayo Medical School in 2000. Dr. currently practices across 2 facilities, including Southern California Permanente Medical Group in Los Angeles, California. Their National Provider Identifier (NPI) is 1386711380, 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. Dennis Der as a lower-volume interventional radiology provider, treating approximately 22 Medicare beneficiaries and delivering 31 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.