Dr. Alexandra Rivera Castro MD
About this NPIWhat this record shows.
NPI 1053921023 is registered to Dr. Alexandra Rivera Castro MD, a General Practice practising at Carr 22 Barrio Monacillos Hospital Oncologico in San Juan, Puerto Rico. General Practice is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Alexandra Rivera Castro MD has been enumerated in the National Provider Identifier (NPI) registry since 2020.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20230928000395General PracticePR
Source: CMS PECOS public enrollment file.
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. Alexandra Rivera Castro MD accepts. To confirm in-network status with your specific health plan, contact Dr. Alexandra Rivera Castro MD directly at (787) 763-4149.
Frequently asked
Yes. NPI 1053921023 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
General Practice 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) 763-4149.
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. Alexandra Rivera Castro MD is a Type-1 individual NPI.