PR ONCOLOGY LLC
NPI 1144842659
Internal Medicine - Hematology & Oncology in San Juan, PR

Q: What is Pr Oncology LLC's NPI number?

The NPI number for Pr Oncology LLC is 1144842659. It was assigned to this organization in the NPPES registry on May 7, 2020.

Q: What is Pr Oncology LLC's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Pr Oncology LLC was last updated on August 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since May 07, 2020

97 AVE DE DIEGO, SAN JUAN, PR 00927(939) 545-6353(939) 545-6354 Get Directions Write a Review

NPPES record last updated: August 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 16, 2025, Sep 19, 2022, May 7, 2020 (3 updates tracked since 2020).

On this page

About Pr Oncology Llc NPPES

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

PR ONCOLOGY LLC (NPI 1144842659) is a healthcare organization registered as a hematology & oncology in San Juan, Puerto Rico and active in the NPI registry since May 2020. The organization maintains a secondary practice location in Caguas and lists Luis Baez Vallecillo, Presidente, as its authorized official.

NPPES Registry Identity

NPI1144842659

Entity TypeOrganization

Primary Taxonomy207RH0003X

Legal Business NamePR ONCOLOGY LLC

Location Address97 AVE DE DIEGOSan Juan, PR 00927-6310

Mailing Address97 Ave De DiegoSan Juan, PR 00927-6310 · (787) 919-7919 · Fax (939) 545-6354

Phone(939) 545-6353

Fax(939) 545-6354

Organization SubpartNo

Authorized OfficialLuis Baez VallecilloPresidente · (939) 545-6353

Enumeration DateMay 7, 2020

Last NPPES UpdateAugust 16, 20253 updates tracked since enumeration

NPPES CertifiedAugust 16, 2025

✔ NPI 1144842659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.

Also ListedInternal MedicineTaxonomy 207R00000X

Secondary Practice Location 1

Location 110 Calle AcostaCaguas, PR 00725-2646 · Phone (787) 919-7919

Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 Oncology Llc 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 Pr Oncology LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Luis Baez Vallecillo, MD

Hematology/Oncology

NPI 1265788855

97 AVE DE DIEGO
San Juan, PR 00927

(939) 545-6353

✔ 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 Oncology LLC's NPI number?

The NPI number for Pr Oncology LLC is 1144842659. It was assigned to this organization in the NPPES registry on May 7, 2020.

Where is Pr Oncology LLC located?

Pr Oncology LLC is located at 97 Ave De Diego, San Juan, PR 00927. The listed phone number is (939) 545-6353.

What is Pr Oncology LLC's specialty?

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

Is Pr Oncology LLC enrolled in Medicare?

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

How many clinicians bill Medicare through Pr Oncology LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Hematology/Oncology) reassigns their Medicare billing to Pr Oncology LLC. 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 Oncology LLC was last updated on August 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.