Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Silvino Diaz Mendoza, MD

Ophthalmology Physician in San Juan, PR · enumerated 2006.

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

National Provider Identifier

1538149000

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Silvino Diaz Mendoza

Credential MD

Sex Male

Practice address San Juan, PR, 00918

Phone (787) 250-0812

Fax (787) 753-2378

Enumeration date Jan 19, 2006

Last updated in NPPES Dec 5, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207W00000X Ophthalmology Physician Allopathic & Osteopathic Physicians · License 9196 (PR) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
038601200	Medicaid	PR	-

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 is the NPI number for Silvino Diaz Mendoza?

The National Provider Identifier (NPI) for Silvino Diaz Mendoza is 1538149000, a Type 1 (individual) record in the CMS NPPES registry.

Where does Silvino Diaz Mendoza practice?

The practice location on file with NPPES is in San Juan, PR. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-05.