Dr. Isabella Phan, MD

With 19 years of practice, Dr. Isabella Phan is an established healthcare provider, MD, after earning their medical degree at University Of California, San Francisco School Of Medicine in 2005. Dr. currently practices across 5 facilities, including Ucsf Medical Group Business Services in San Francisco, California. Their National Provider Identifier (NPI) is 1598977415, 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. Isabella Phan as a lower-volume healthcare provider, treating approximately 14 Medicare beneficiaries and delivering 21 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.