Dr. Donald Chen, MD

With 20 years of practice, Dr. Donald Chen is an established internal medicine provider, MD, after earning their medical degree at Tulane University School Of Medicine in 1993. Dr. currently practices across 2 facilities, including County Of Los Angeles in Bellflower, California. Their National Provider Identifier (NPI) is 1497822381, 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. Donald Chen as a lower-volume internal medicine provider, treating approximately 12 Medicare beneficiaries and delivering 23 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.