Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jose Javier Lopez Fontanet

Ophthalmology Physician in San Juan, PR · enumerated 2022.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1205586278

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Registry record

Entity type Individual (Type 1)

Name Jose Javier Lopez Fontanet

Sex Male

Practice address Universidad De Puerto Rico Recinto De Ciencias Medicas, Po Box 365067, San Juan, PR, 00936

Phone (787) 220-2243

Enumeration date Mar 24, 2022

Last updated in NPPES Apr 8, 2025

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 1205586278 (PR) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Jose Lopez Fontanet?

Jose Lopez Fontanet is registered in NPPES with the primary taxonomy of Ophthalmology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-04-08.