GRUPO SAN MATEO, LLC
NPI 1295293991
Internal Medicine - Gastroenterology in San Juan, PR

Active since March 12, 2019
1607 AVE PONCE DE LEON STE GM04, SAN JUAN, PR 00909(787) 910-0909(888) 588-0319 Get Directions Write a Review

NPPES record last updated: March 15, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 15, 2023, Jul 19, 2021, Mar 12, 2019 (3 updates tracked since 2019).

About Grupo San Mateo, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRUPO SAN MATEO, LLC (NPI 1295293991) is a healthcare organization registered as a gastroenterology in San Juan, Puerto Rico and active in the NPI registry since March 2019. The organization lists Vasco Eguia, President Owner, as its authorized official.

NPPES Registry Identity

NPI1295293991
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameGRUPO SAN MATEO, LLC
Location Address1607 AVE PONCE DE LEON STE GM04San Juan, PR 00909-1803
Mailing Address1353 Ave Luis Vigoreaux Pmb 757Guaynabo, PR 00966-2715 · (787) 633-5263 · Fax (888) 588-0319
Fax(888) 588-0319
Organization SubpartNo
Authorized OfficialVasco EguiaPresident Owner · (787) 633-5263
Enumeration DateMarch 12, 2019
Last NPPES UpdateMarch 15, 20233 updates tracked since enumeration
NPPES CertifiedMarch 15, 2023
✔ NPI 1295293991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 9

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedNutritionistTaxonomy 133N00000X
Also ListedDietitian, RegisteredTaxonomy 133V00000X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedPediatrics · Pediatric GastroenterologyTaxonomy 2080P0206X
Also ListedGeneral PracticeTaxonomy 208D00000X
Also ListedSpeech-Language PathologistTaxonomy 235Z00000X
Also ListedClinic/Center · Infusion TherapyTaxonomy 261QI0500X

Other Identifiers 1

Medicaid037891301PR

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grupo San Mateo, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Grupo San Mateo, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Gastroenterology
NPI 1316184161
1607 AVE PONCE DE LEON STE GM04
San Juan, PR 00909
(787) 910-0909
✔ PECOS✔ Accepts Medicare

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grupo San Mateo, LLC's NPI number?

The NPI number for Grupo San Mateo, LLC is 1295293991. It was assigned to this organization in the NPPES registry on March 12, 2019.

Where is Grupo San Mateo, LLC located?

Grupo San Mateo, LLC is located at 1607 Ave Ponce De Leon Ste Gm04, San Juan, PR 00909. The listed phone number is (787) 910-0909.

What is Grupo San Mateo, LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Grupo San Mateo, LLC enrolled in Medicare?

Yes. Grupo San Mateo, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Grupo San Mateo, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Grupo San Mateo, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Grupo San Mateo, LLC was last updated on March 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.