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RISO MEDICAL SERVICES, LLC
NPI 1538534227
Anesthesiology in Arecibo, PR

Active since December 06, 2015
ZONA INDUSTRIAL VICTOR ROJAS 2, CARR 129, ARECIBO, PR 00612(716) 908-0834 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 9, 2026, Aug 24, 2020, Dec 6, 2015 (3 updates tracked since 2015).

About Riso Medical Services, Llc NPPES

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

RISO MEDICAL SERVICES, LLC (NPI 1538534227) is a healthcare organization registered as an anesthesiology in Arecibo, Puerto Rico and active in the NPI registry since December 2015. The organization lists Victor Rafael Rivero, President, as its authorized official.

NPPES Registry Identity

NPI1538534227
Entity TypeOrganization
Primary Taxonomy207L00000X
Legal Business NameRISO MEDICAL SERVICES, LLC
Location AddressZONA INDUSTRIAL VICTOR ROJAS 2, CARR 129Arecibo, PR 00612
Mailing Address43 Calle HucaresArecibo, PR 00612-3562 · (716) 908-0834
Phone(716) 908-0834
Organization SubpartNo
Authorized OfficialVictor Rafael RiveroPresident · (716) 908-0892
Enumeration DateDecember 6, 2015
Last NPPES UpdateJuly 9, 20263 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
✔ NPI 1538534227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in PR · 18790
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedNuclear Medicine · Nuclear Imaging & TherapyTaxonomy 207UN0902X · License 18790 (PR)
Also ListedGeneral PracticeTaxonomy 208D00000X · License 17234 (PR)

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)

Riso Medical Services, 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 Riso Medical Services, LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Victor Rivero, M.D.
Anesthesiology
NPI 1760680383
VICTOR ROJAS #2 CARR 129 ZONA INDUSTRIAL
Arecibo, PR 00612
(716) 908-0834
✔ PECOS

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 Riso Medical Services, LLC's NPI number?

The NPI number for Riso Medical Services, LLC is 1538534227. It was assigned to this organization in the NPPES registry on December 6, 2015.

Where is Riso Medical Services, LLC located?

Riso Medical Services, LLC is located at Zona Industrial Victor Rojas 2 Carr 129, Arecibo, PR 00612. The listed phone number is (716) 908-0834.

What is Riso Medical Services, LLC's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Riso Medical Services, LLC enrolled in Medicare?

Yes. Riso Medical Services, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Riso Medical Services, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Anesthesiology) reassigns their Medicare billing to Riso Medical Services, 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 Riso Medical Services, LLC was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.