Arnaldo Martinez-Leon MD
About this NPIWhat this record shows.
NPI 1528087103 is registered to Arnaldo Martinez-Leon MD, a Internal Medicine practising at 10 Calle Casia in San Juan, Puerto Rico. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Arnaldo Martinez-Leon MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Arnaldo Martinez-Leon MD accepts. To confirm in-network status with your specific health plan, contact Arnaldo Martinez-Leon MD directly at (787) 641-7582.
Frequently asked
Yes. NPI 1528087103 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (787) 641-7582.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Arnaldo Martinez-Leon MD is a Type-1 individual NPI.