Dr. Ellen Chang, MD

With 12 years of practice, Dr. Ellen Chang is an established diagnostic radiology provider, MD, after earning their medical degree at Other in 2014. Dr. currently practices across 10 facilities, including Zuckerberg San Francisco General Hosp & Trauma Ctr in San Francisco, California. Their National Provider Identifier (NPI) is 1427450212, 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. Ellen Chang as a high-volume diagnostic radiology provider, treating approximately 3K Medicare beneficiaries and delivering 5K services in the most recent reporting year. That panel size indicates sustained experience with complex Medicare cases.