Dr. Guillermo Pico-Alonso MD
About this NPIWhat this record shows.
NPI 1851381305 is registered to Dr. Guillermo Pico-Alonso MD, a Ophthalmology Physician practising at Ave Ponce De Leon #715 Pda 37 1/2 in Hato Rey, Puerto Rico. Ophthalmology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Guillermo Pico-Alonso MD has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 68381PR· Issued by CRUZ AZUL
- 601908PR· Issued by MEDICARE Y MUCHO MAS
- 2-5768PR· Issued by TRIPLE S, INC.
- 8000539PR· Issued by HUMANA
Source: NPPES public registry.
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
- I20090507000322OphthalmologyPR
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. Guillermo Pico-Alonso MD accepts. To confirm in-network status with your specific health plan, contact Dr. Guillermo Pico-Alonso MD directly at (787) 409-4275.
Frequently asked
Yes. NPI 1851381305 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Ophthalmology Physician 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) 409-4275.
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. Guillermo Pico-Alonso MD is a Type-1 individual NPI.