Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Rebeca E Velazquez Alvarez, M.D.

Specialist in San Juan, PR · enumerated 2007.

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

National Provider Identifier

1134327992

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Registry record

Entity type Individual (Type 1)

Name Dr. Rebeca E Velazquez Alvarez

Credential M.D.

Sex Female

Practice address 268 Ave Ponce De Leon, Hato Rey Center Building Suite 1000, San Juan, PR, 00918

Phone (787) 266-7261

Enumeration date Jul 3, 2007

Last updated in NPPES Jan 4, 2017

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 17111 (PR) Primary

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

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 Rebeca Velazquez Alvarez?

Rebeca Velazquez Alvarez is registered in NPPES with the primary taxonomy of Specialist. 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 2017-01-04.