Dr. Carlos Marrero, MD

With 20 years of practice, Dr. Carlos Marrero is an established family practice provider, MD, after earning their medical degree at Other in 1982. Dr. currently practices at Hospital Oncologico Dr Isaac Gonzalez Martinez in San Juan, Puerto Rico. Their National Provider Identifier (NPI) is 1083774228, 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. Carlos Marrero as a lower-volume family practice provider, treating approximately 89 Medicare beneficiaries and delivering 525 services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.