Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nilka Y. Alvarez, MD

Pediatrics Physician in Guaynabo, PR · enumerated 2006.

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

National Provider Identifier

1407804438

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Registry record

Entity type Individual (Type 1)

Name Nilka Y. Alvarez

Credential MD

Sex Female

Practice address 13 Camino Los Baez, Cond. El Bosque Apt. 611, Guaynabo, PR, 00971

Phone (787) 251-2508

Enumeration date May 4, 2006

Last updated in NPPES Oct 19, 2012

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 11013 (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
83258	Other	PR	MEDICAL PLAN PROVIDER NUM
9790025	Other	PR	MEDICAL PLAN PROVIDER NUM

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 Nilka Alvarez?

The National Provider Identifier (NPI) for Nilka Alvarez is 1407804438, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nilka Alvarez practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-19.