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

Dr. Alex Reinaldo Gutierrez Nieves, M.D.

General Practice Physician in Naranjito, PR · enumerated 2012 · practices at Senior Primary Medicine Inc.

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

National Provider Identifier

1114297868

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Registry record

Entity type Individual (Type 1)

Name Dr. Alex Reinaldo Gutierrez Nieves

Credential M.D.

Sex Male

Practice address Naranjito, PR, 00719

Phone (939) 274-9637

Enumeration date Jan 11, 2012

Last updated in NPPES Oct 20, 2023

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

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License ACN1001 (FL) Secondary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 18466 (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
18466	Other	PR	PUERTO RICO BOARD OF MEDICINE

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.

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Frequently asked questions

How do I verify Alex Gutierrez Nieves's NPI record?

Cross-check NPI 1114297868 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1114297868 active?

Yes, as of the latest NPPES snapshot, NPI 1114297868 is active (record last updated 2023-10-20).

Other providers at this practice address

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Senior Primary Medicine Inc Family Medicine Physician · Naranjito, PR NPI 1275266074

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-20.