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

Dr. Guireida Rivera Colon, MD

Endocrinology, Diabetes & Metabolism Physician in Juana Diaz, PR · enumerated 2006.

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

National Provider Identifier

1891805164

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Registry record

Entity type Individual (Type 1)

Name Dr. Guireida Rivera Colon

Credential MD

Sex Female

Practice address Juana Diaz, PR, 00795

Phone (787) 837-5952

Fax (787) 837-5952

Enumeration date Aug 30, 2006

Last updated in NPPES May 5, 2010

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

Taxonomy & licenses

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians · License 13192 (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
601889	Other	PR	MMM HEALTHCARE
20650RI	Other	PR	TRIPLE S
2258	Other	PR	PREFFERED MEDICARE CHOICE
7950017	Other	PR	HUMANA INSURANCE PR
9000573	Other	PR	CRUZ AZUL

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

What specialty is Guireida Rivera Colon?

Guireida Rivera Colon is registered in NPPES with the primary taxonomy of Endocrinology, Diabetes & Metabolism 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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-05-05.