INSTITUTO DE ENDOSCOPIA DIGESTIVA DEL SUR
NPI 1144252198
Internal Medicine - Gastroenterology in Ponce, PR

Q: What is Instituto De Endoscopia Digestiva Del Sur's specialty?

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

Active since July 07, 2006

450 C/FERROCARRIL, STE. 216, SANTA MARIA MEDICAL, PONCE, PR 00717(787) 848-5897(787) 284-4197 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Instituto De Endoscopia Digestiva Del Sur NPPES

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

INSTITUTO DE ENDOSCOPIA DIGESTIVA DEL SUR (NPI 1144252198) is a healthcare organization registered as a gastroenterology in Ponce, Puerto Rico and active in the NPI registry since July 2006. The organization lists Luis Martinez-sierra, President, as its authorized official.

NPPES Registry Identity

NPI1144252198

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameINSTITUTO DE ENDOSCOPIA DIGESTIVA DEL SUR

Location Address450 C/FERROCARRIL, STE. 216, SANTA MARIA MEDICALPonce, PR 00717-1105

Mailing Address450 C/ferrocarril, Ste. 216, Santa Maria MedicalPonce, PR 00717-1105 · (787) 848-5897 · Fax (787) 284-4197

Phone(787) 848-5897

Fax(787) 284-4197

Organization SubpartNo

Authorized OfficialLuis Martinez-sierraPresident · (787) 848-5897

Enumeration DateJuly 7, 2006

Last NPPES UpdateAugust 22, 2020

✔ NPI 1144252198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in PR · 4589✔ Licensed in PR · 6905

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.

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)

Instituto De Endoscopia Digestiva Del Sur is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 4 clinicians reassign Medicare billing to Instituto De Endoscopia Digestiva Del Sur, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (4)

Luis Martinez-Sierra, M.D.

Gastroenterology

NPI 1376673335

SANTA MARIA MEDICAL 450 CALLE FERROCARRIL, STE 210
Ponce, PR 00717

(787) 840-5042

✔ PECOS✔ Accepts Medicare

Rafael Martir-Guevara, M.D

Gastroenterology

NPI 1508996562

SANTA MARIA MEDICAL 450 CALLE FERROCARRIL, STE. 210
Ponce, PR 00717

(787) 844-1244

✔ PECOS✔ Accepts Medicare

Ahmed Morales Jorge, M.D.

Gastroenterology

NPI 1265546592

CARR #506 PLAZA SAN CRISTOBAL LOCAL #3
Coto Laurel, PR 00780

(787) 708-6981

✔ PECOS✔ Accepts Medicare

Reinaldo Ramirez Amill, M.D.

Gastroenterology

NPI 1538571419

CENTRO MEDICO
San Juan, PR 00935

(787) 428-5714

✔ 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 Instituto De Endoscopia Digestiva Del Sur's NPI number?

The NPI number for Instituto De Endoscopia Digestiva Del Sur is 1144252198. It was assigned to this organization in the NPPES registry on July 7, 2006.

Where is Instituto De Endoscopia Digestiva Del Sur located?

Instituto De Endoscopia Digestiva Del Sur is located at 450 C/Ferrocarril, Ste. 216 Santa Maria Medical, Ponce, PR 00717. The listed phone number is (787) 848-5897.

What is Instituto De Endoscopia Digestiva Del Sur's specialty?

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

Is Instituto De Endoscopia Digestiva Del Sur enrolled in Medicare?

Yes. Instituto De Endoscopia Digestiva Del Sur is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Instituto De Endoscopia Digestiva Del Sur?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Gastroenterology, reassign their Medicare billing to Instituto De Endoscopia Digestiva Del Sur. 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 Instituto De Endoscopia Digestiva Del Sur 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.