1. Home
  2. Directory
  3. NPI Profile

NIEVES INTERNAL MEDICINE HEALTH
NPI 1982339057
Internal Medicine in Caguas, PR

Active since July 21, 2022
100 AVE LUIS MUNOZ MARIN, CAGUAS, PR 00725(787) 653-3108(787) 961-1901 Get Directions Write a Review

NPPES record last updated: October 31, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 31, 2023, Aug 1, 2022, Jul 22, 2022 (3 updates tracked since 2022).

About Nieves Internal Medicine Health NPPES

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

NIEVES INTERNAL MEDICINE HEALTH (NPI 1982339057) is a healthcare organization registered as an internal medicine in Caguas, Puerto Rico and active in the NPI registry since July 2022. The organization lists Arnaldo A Nieves Ortiz, Internal Medicine, as its authorized official.

NPPES Registry Identity

NPI1982339057
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameNIEVES INTERNAL MEDICINE HEALTH
Location Address100 AVE LUIS MUNOZ MARINCaguas, PR 00725-6184
Mailing Address400 Ave. Domenech Suite 307-310, Las Americas Professional CenterCaguas, PR 00725 · (787) 423-2261
Phone(787) 653-3108
Fax(787) 961-1901
Organization SubpartNo
Authorized OfficialArnaldo A Nieves OrtizInternal Medicine · (787) 423-2261
Enumeration DateJuly 21, 2022
Last NPPES UpdateOctober 31, 20233 updates tracked since enumeration
NPPES CertifiedOctober 30, 2023
✔ NPI 1982339057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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)

Nieves Internal Medicine Health is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Nieves Internal Medicine Health, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians by Medicare Specialty 3

Internal Medicine9
Endocrinology2
General Practice1

Clinicians, nearest first (12)

Amanda Alvelo, MD
Internal Medicine
NPI 1659027498
1482 AVE FD ROOSEVELT COND BORINQUEN TOWERS III
San Juan, PR 00920
(939) 642-7390
✔ PECOS✔ Accepts Medicare
Ivonne Hernandez Castro, M.D.
Endocrinology
NPI 1386136059
CARRETERA 164 SECTOR EL DESVIO
Naranjito, PR 00719
(787) 869-1290
✔ PECOS
Pedro Lopez
Internal Medicine
NPI 1245796978
1043 CALLE ANTILLAS HACIENDA SAN JOSE
Caguas, PR 00727
(787) 502-3243
✔ PECOS✔ Accepts Medicare
Arnaldo Nieves Ortiz, MD
Internal Medicine
NPI 1730548967
100 AVE LUIS MUNOZ MARIN
Caguas, PR 00725
(787) 423-2261
✔ PECOS✔ Accepts Medicare
Angel Ortiz Rodriguez
General Practice
NPI 1427599695
HOSPITAL MENONITA GUAYAMA AVE PEDRO ALBIZU CAMPOS URB LA HACIENDA
Guayama, PR 00784
(787) 864-4300
✔ PECOS
Yineli Ortiz Torres, MD
Endocrinology
NPI 1881009793
1789 CARR 21
San Juan, PR 00921
(787) 484-8354
✔ PECOS✔ Accepts Medicare
Alexandra Pico Ramirez, MD
Internal Medicine
NPI 1891252037
UNIVERSITY DISTRICT HOSPITAL PUERTO RICO MEDICAL CENTER
Rio Piedras, PR 00921
(787) 754-0101
✔ PECOS
Ivan Rivera Nazario, MD
Internal Medicine
NPI 1124554449
HOSPITAL MUNICIPAL DE SAN JUAN BARRIO MONACILLO CENTRO MEDICO DE PUERTO RICO
San Juan, PR 00928
(787) 480-0000
✔ PECOS
Gustavo Santiago Borges, MD
Internal Medicine
NPI 1841743838
HC 4 BOX 43795
Lares, PR 00669
(787) 621-3700
✔ PECOS✔ Accepts Medicare
Juan Toledo Diaz, MD
Internal Medicine
NPI 1083070692
BAYAMON MEDICAL CENTER CARRETERA NO 2 KM 117
Bayamon, PR 00959
(787) 620-8181
✔ PECOS✔ Accepts Medicare
Emily Vazquez Morales, MD
Internal Medicine
NPI 1528604840
PASEO DR. JOSE BALBOSA
San Juan, PR 00921
(787) 559-1815
✔ PECOS
Nayrim Zayas Schulze
Internal Medicine
NPI 1821605254
RIO PIEDRAS MEDICAL CENTER
San Juan, PR 00921
(787) 480-2700
✔ 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 Nieves Internal Medicine Health's NPI number?

The NPI number for Nieves Internal Medicine Health is 1982339057. It was assigned to this organization in the NPPES registry on July 21, 2022.

Where is Nieves Internal Medicine Health located?

Nieves Internal Medicine Health is located at 100 Ave Luis Munoz Marin, Caguas, PR 00725. The listed phone number is (787) 653-3108.

What is Nieves Internal Medicine Health's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Nieves Internal Medicine Health enrolled in Medicare?

Yes. Nieves Internal Medicine Health is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nieves Internal Medicine Health?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 3 Medicare specialties reassign their Medicare billing to Nieves Internal Medicine Health. 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. The largest specialties are Internal Medicine (9), Endocrinology (2) and General Practice (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Nieves Internal Medicine Health was last updated on October 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.