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DR. CARLOS J OCASIO LOPEZ MD
NPI 1154568780
Pediatrics - Pediatric Critical Care Medicine in San Juan, PR

Active since January 20, 2009PECOS Enrolled
UNIVERSITY PEDIATRIC HOSPITAL, DEPARTMENT OF PEDIATRICS OFFICE 1A-29, SAN JUAN, PR 00936(787) 777-3535 Get Directions Write a Review

NPPES record last updated: February 23, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Carlos J Ocasio Lopez Md NPPES

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

DR. CARLOS J OCASIO LOPEZ MD (NPI 1154568780) is an individual pediatric critical care medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (17922) and active in the NPI registry since January 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154568780
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameDR. CARLOS J OCASIO LOPEZCredential: MD
Location AddressUNIVERSITY PEDIATRIC HOSPITAL, DEPARTMENT OF PEDIATRICS OFFICE 1A-29San Juan, PR 00936-5067
Mailing AddressUniversity Pediatric Hospital, Department Of Pediatrics Office 1a-29San Juan, PR 00936-5067 · (787) 777-3535
Phone(787) 777-3535
Sole ProprietorYes
Enumeration DateJanuary 20, 2009
Last NPPES UpdateFebruary 23, 2024
NPPES CertifiedFebruary 23, 2024
✔ NPI 1154568780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in PR · 17922
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License 27191 R (PR)

Other Names 1

Professional Name (2)Dr. Carlos J Ocasio Lopez Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Carlos J Ocasio Lopez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Carlos Ocasio Lopez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Grupo Intensivo Pediatrico De San Juan
Pediatric Critical Care Medicine
252 CALLE SAN JORGE, MEDICAL OFFICE BUILDING SUITE 406
San Juan, PR 00912
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 10 clinicians in this Medicare group
NPI 1477537892 (787) 726-0210

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MYRNA L. QUINONES MD
Specialist
UNIVERSITY PEDIATRIC HOSPITAL, DEPARTMENT OF PEDIATRICS OFFICE 1-A29 1ST FLOOR
SAN JUAN, PR 00936
San Juan Municipio (787) 756-4010
DR. MARIA DEL PILAR ZALDUONDO MD
Specialist
UNIVERSITY PEDIATRIC HOSPITAL, DEPARTMENT OF PEDIATRICS OFFICE 1-A 29 1ST FLOOR
SAN JUAN, PR 00936
San Juan Municipio (787) 756-4010
DR. NERIAN ORTIZ MD
Specialist
UNIVERSITY PEDIATRIC HOSPITAL, DEPARTMENT OF PEDIATRICS OFFICE 1A-29
SAN JUAN, PR 00936
San Juan Municipio (787) 756-4010
DR. YASMIN PEDROGO MD
Pediatrics
UNIVERSITY PEDIATRIC HOSPITAL, DEPARTMENT OF PEDIATRICS OFFICE 1-A29 1ST FLOOR
SAN JUAN, PR 00936
San Juan Municipio (787) 756-4010
DR. IVONNE L. ARROYO M.D.
Pediatrics (Pediatric Rheumatology)
UNIVERSITY PEDIATRIC HOSPITAL, OFFICE 1 A 29
SAN JUAN, PR 00936
San Juan Municipio (787) 756-4020
DR. IRMA L. FEBO M.D.
Specialist
UNIVERSITY PEDIATRIC HOSPITAL, OFFICE 1 A 29
SAN JUAN, PR 00936
San Juan Municipio (787) 756-4020
DR. NORMA A CLAUDIO MD
Specialist
UNIVERSITY PEDIATRIC HOSPITAL, DEPARTMENT OF PEDIATRICS OFF 1A-29
SAN JUAN, PR 00936
San Juan Municipio (787) 756-4010
DR. MARIA M ALVAREZ MD
Specialist
UNIVERSITY PEDIATRIC HOSPITAL, DEPARTMENT OF PEDIATRICS OFFICE 1A-29
SAN JUAN, PR 00936
San Juan Municipio (787) 756-4010

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 Carlos Ocasio Lopez's NPI number?

The NPI number for Carlos Ocasio Lopez is 1154568780. It was assigned to this individual provider in the NPPES registry on January 20, 2009. The provider is also known as Dr. Carlos J Ocasio Lopez MD.

Where is Carlos Ocasio Lopez located?

Carlos Ocasio Lopez practices at University Pediatric Hospital Department Of Pediatrics Office 1a-29, San Juan, PR 00936. The listed phone number is (787) 777-3535.

What is Carlos Ocasio Lopez's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Carlos Ocasio Lopez enrolled in Medicare?

Yes. Carlos Ocasio Lopez is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Carlos Ocasio Lopez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Ocasio Lopez reassigns Medicare benefits to Grupo Intensivo Pediatrico De San Juan (San Juan, PR). The 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 Carlos Ocasio Lopez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carlos Ocasio Lopez was last updated on February 23, 2024. 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.