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PR CANCER SPECIALISTS LLC
NPI 1952016008
Internal Medicine - Hematology & Oncology in San Juan, PR

Active since January 23, 2023
735 AVE PONCE DE LEON STE 515, SAN JUAN, PR 00917(787) 945-2919 Get Directions Write a Review

NPPES record last updated: January 23, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Pr Cancer Specialists Llc NPPES

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

PR CANCER SPECIALISTS LLC (NPI 1952016008) is a healthcare organization registered as a hematology & oncology in San Juan, Puerto Rico and active in the NPI registry since January 2023. The organization lists Luis Santos, President, as its authorized official.

NPPES Registry Identity

NPI1952016008
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NamePR CANCER SPECIALISTS LLC
Location Address735 AVE PONCE DE LEON STE 515San Juan, PR 00917-5027
Mailing AddressPo Box 362422San Juan, PR 00936-2422 · (787) 945-2919
Phone(787) 945-2919
Organization SubpartNo
Authorized OfficialLuis SantosPresident · (787) 945-2919
Enumeration DateJanuary 23, 2023
NPPES CertifiedJanuary 23, 2023
✔ NPI 1952016008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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)

Pr Cancer Specialists Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Pr Cancer Specialists LLC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (3)

Aitsa Jimenez Velez, MD
Hematology/Oncology
NPI 1891731675
100 AVE LUIS MUNOZ MARIN
Caguas, PR 00725
(787) 744-8686
✔ PECOS
Marvin Matta Rivera, M.D
Hematology/Oncology
NPI 1629357488
URB. BAIROA, CALLE SANTA MARIA L 6
Caguas, PR 00725
(787) 240-3438
✔ PECOS✔ Accepts Medicare
Yelitza Ruiz, M.D.
Internal Medicine
NPI 1952412918
100 PASEO SAN PABLO EDIF ARTURO CADILLA SUITE 510
Bayamon, PR 00961
(787) 780-2830
✔ 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 Pr Cancer Specialists LLC's NPI number?

The NPI number for Pr Cancer Specialists LLC is 1952016008. It was assigned to this organization in the NPPES registry on January 23, 2023.

Where is Pr Cancer Specialists LLC located?

Pr Cancer Specialists LLC is located at 735 Ave Ponce De Leon Ste 515, San Juan, PR 00917. The listed phone number is (787) 945-2919.

What is Pr Cancer Specialists LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Pr Cancer Specialists LLC enrolled in Medicare?

Yes. Pr Cancer Specialists LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Pr Cancer Specialists LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Pr Cancer Specialists LLC, in Hematology/Oncology and Internal Medicine. 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 Pr Cancer Specialists LLC was last updated on January 23, 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.