Dr. John Umekubo, MD

With 20 years of practice, Dr. John Umekubo is an established internal medicine provider, MD, after earning their medical degree at Saint Louis University School Of Medicine in 1977. Dr. currently practices across 2 facilities, including University Of California San Francisco in San Francisco, California. Their National Provider Identifier (NPI) is 1093823858, 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. John Umekubo as a lower-volume internal medicine provider, treating approximately 99 Medicare beneficiaries and delivering 474 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. John Umekubo received $714 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.