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SOUTHERN GASTROENTEROLOGY MEDICAL GROUP, PSC
NPI 1033261862
Specialist in Ponce, PR

Active since January 18, 2007
7810 CALLE NAZARET, URB SANTA MARIA, PONCE, PR 00717(787) 843-0348(787) 840-8623 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Southern Gastroenterology Medical Group, Psc NPPES

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

SOUTHERN GASTROENTEROLOGY MEDICAL GROUP, PSC (NPI 1033261862) is a healthcare organization registered as a specialist in Ponce, Puerto Rico and active in the NPI registry since January 2007. The organization lists Arnaldo M Nieves, President, as its authorized official.

NPPES Registry Identity

NPI1033261862
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameSOUTHERN GASTROENTEROLOGY MEDICAL GROUP, PSC
Location Address7810 CALLE NAZARET, URB SANTA MARIAPonce, PR 00717-1008
Mailing AddressPo Box 7183Ponce, PR 00732-7183 · (787) 843-0348 · Fax (787) 840-8623
Phone(787) 843-0348
Fax(787) 840-8623
Organization SubpartNo
Authorized OfficialArnaldo M NievesPresident · (787) 843-0348
Enumeration DateJanuary 18, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1033261862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in PR · 12225
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 provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Southern Gastroenterology Medical Group, Psc 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 Southern Gastroenterology Medical Group, Psc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Arnaldo Nieves Ramirez, M.D.
Gastroenterology
NPI 1902866437
7810 CALLE NAZARET URB SANTA MARIA
Ponce, PR 00717
(787) 843-0348
✔ 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 Southern Gastroenterology Medical Group, Psc's NPI number?

The NPI number for Southern Gastroenterology Medical Group, Psc is 1033261862. It was assigned to this organization in the NPPES registry on January 18, 2007.

Where is Southern Gastroenterology Medical Group, Psc located?

Southern Gastroenterology Medical Group, Psc is located at 7810 Calle Nazaret Urb Santa Maria, Ponce, PR 00717. The listed phone number is (787) 843-0348.

What is Southern Gastroenterology Medical Group, Psc's specialty?

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

Is Southern Gastroenterology Medical Group, Psc enrolled in Medicare?

Yes. Southern Gastroenterology Medical Group, Psc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Southern Gastroenterology Medical Group, Psc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Southern Gastroenterology Medical Group, Psc. 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 Southern Gastroenterology Medical Group, Psc was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.