Dr. Jenny Jun, MD

With 12 years of practice, Dr. Jenny Jun is an established rheumatology provider, MD, after earning their medical degree at Warren Alpert Medical School Of Brown University in 2014. Dr. currently practices at J W Duncan Md A Medical Corporation in Los Angeles, California. Their National Provider Identifier (NPI) is 1285044925, 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. Jenny Jun as a lower-volume rheumatology provider, treating approximately 61 Medicare beneficiaries and delivering 159 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Jenny Jun received $35 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.