Dr. Joanna Lin, MD

With 20 years of practice, Dr. Joanna Lin is an established internal medicine provider, MD, after earning their medical degree at Georgetown University School Of Medicine in 2003. Dr. currently practices across 5 facilities, including Santa Clara Valley Medical Center in San Jose, California. Their National Provider Identifier (NPI) is 1043276496, 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. Joanna Lin as a lower-volume internal medicine provider, treating approximately 160 Medicare beneficiaries and delivering 308 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.