Dr. Maria Alonso M.D.
About this NPIWhat this record shows.
NPI 1912921172 is registered to Dr. Maria Alonso M.D., a Family Medicine, Geriatric Medicine practising at 10 Calle Casia in San Juan, Puerto Rico. Family Medicine, Geriatric Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Maria Alonso M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
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 Dr. Maria Alonso M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Maria Alonso M.D. directly at (787) 641-7582.
Frequently asked
Yes. NPI 1912921172 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine, Geriatric Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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. Dr. Maria Alonso M.D. is a Type-1 individual NPI.