Dr. Juan Diaz Hernandez, M.D.

With 19 years of practice, Dr. Juan Diaz Hernandez is an established general surgery provider, M.D., after earning their medical degree at University Of Puerto Rico School Of Medicine in 2005. Dr. currently practices across 2 facilities, including Hospital Oncologico Dr Isaac Gonzalez Martinez in San Juan, Puerto Rico. Their National Provider Identifier (NPI) is 1114121894, 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.

Dr. Juan Diaz Hernandez's practice is located in ZIP 00907 (San Juan, Puerto Rico), which has an overall CartoChrome Healthcare Access Score of 27/100 (Limited Access). Access constraints in this ZIP code can affect wait times, specialist availability, and emergency response — context worth knowing when choosing a provider.

CMS Medicare data shows Dr. Juan Diaz Hernandez as a lower-volume general surgery provider, treating approximately 17 Medicare beneficiaries and delivering 32 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. Juan Diaz Hernandez received $386 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.