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AR INSTITUTE OF GASTROENTEROLOGY P S C
NPI 1982831970
Specialist in Ponce, PR

Active since June 17, 2009CLIA 40D0942155 · Waiver
471 AVE. FERROCARRIL, SUITE #17, PONCE, PR 00717(787) 259-8212(787) 848-7979 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ar Institute Of Gastroenterology P S C NPPES

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

AR INSTITUTE OF GASTROENTEROLOGY P S C (NPI 1982831970) is a healthcare organization registered as a specialist in Ponce, Puerto Rico and active in the NPI registry since June 2009. The organization holds a CLIA Waiver certificate valid through March 5, 2028 and lists Alvaro Reymunde, Presidente, as its authorized official.

NPPES Registry Identity

NPI1982831970
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameAR INSTITUTE OF GASTROENTEROLOGY P S C
Location Address471 AVE. FERROCARRIL, SUITE #17Ponce, PR 00717
Mailing Address471 Ave. Ferrocarril, Suite 135Ponce, PR 00717 · (787) 259-8212 · Fax (787) 848-7979
Phone(787) 259-8212
Fax(787) 848-7979
Organization SubpartNo
Authorized OfficialAlvaro ReymundePresidente · (787) 259-8212
Enumeration DateJune 17, 2009
Last NPPES UpdateDecember 9, 2025
NPPES CertifiedDecember 9, 2025
✔ NPI 1982831970 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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)

Ar Institute Of Gastroenterology P S C is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Ar Institute Of Gastroenterology P S C, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Alvaro Reymunde Posso, MD,FACP,FACG,AGAF
Internal Medicine
NPI 1083610828
EDIF PARRA STE 806 2225 PONCE BY PASS
Ponce, PR 00717
(787) 259-8212
✔ PECOS✔ Accepts Medicare
Nilda Santiago Garcia, M.D.
Internal Medicine
NPI 1104822949
471 AVE. FERROCARRIL SUITE #17
Ponce, PR 00717
(787) 259-8212
✔ PECOS

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 40D0942155

Ar Institute Of Gastroenterology, Psc · Ponce, PR
Active · expires Mar 5, 2028
CLIA Number40D0942155
Laboratory TypeOther
Certificate Effective DateMarch 6, 2026
Certificate Expiration DateMarch 5, 2028
Laboratory DirectorDr. Alvaro Reymunde
Laboratory Phone(787) 259-8200
Laboratory LocationAr Institute Of Gastroenterology, Psc471 Ave Ferrocarril, Ponce, PR 00717
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

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 Ar Institute Of Gastroenterology P S C's NPI number?

The NPI number for Ar Institute Of Gastroenterology P S C is 1982831970. It was assigned to this organization in the NPPES registry on June 17, 2009.

Where is Ar Institute Of Gastroenterology P S C located?

Ar Institute Of Gastroenterology P S C is located at 471 Ave. Ferrocarril Suite #17, Ponce, PR 00717. The listed phone number is (787) 259-8212.

What is Ar Institute Of Gastroenterology P S C's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Ar Institute Of Gastroenterology P S C enrolled in Medicare?

Yes. Ar Institute Of Gastroenterology P S C is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ar Institute Of Gastroenterology P S C?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Internal Medicine, reassign their Medicare billing to Ar Institute Of Gastroenterology P S C. 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.

Does Ar Institute Of Gastroenterology P S C hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 40D0942155) is associated with this NPI, valid through March 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Ar Institute Of Gastroenterology P S C was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.