FRANCISCO JAVIER DIAZ M.D.
NPI 1508826504
Pediatrics - Pediatric Critical Care Medicine in San Juan, PR

Active since March 24, 2006PECOS EnrolledAccepts Medicare Assignment
252 SAN JORGE ST., SUITE 406 SAN JORGE MEDICAL BUILDING, SAN JUAN, PR 00912(787) 726-0210 Get Directions Write a Review

NPPES record last updated: March 21, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Francisco Javier Diaz M.d. NPPES

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

FRANCISCO JAVIER DIAZ M.D. (NPI 1508826504) is an individual pediatric critical care medicine provider in San Juan, Puerto Rico, licensed in Puerto Rico (13201) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Puerto Rico School Of Medicine (1996).

NPPES Registry Identity

NPI1508826504
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameFRANCISCO JAVIER DIAZCredential: M.D.
Location Address252 SAN JORGE ST., SUITE 406 SAN JORGE MEDICAL BUILDINGSan Juan, PR 00912
Mailing AddressCondominio Alturas De Caldas Fidalgo Diaz St., Apt. 352San Juan, PR 00926 · (787) 717-3946
Sole ProprietorYes
Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 1996
Enumeration DateMarch 24, 2006
Last NPPES UpdateMarch 21, 2013
✔ NPI 1508826504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in PR · 13201
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.
252 SAN JORGE ST., San Juan, PR 00912

Other Identifiers 1

Other80992PR · Sss

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Francisco Javier Diaz M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527227669
PECOS Enrollment IDI20120309000313
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 Reassignments

2

Medicare enrollment records show Francisco Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Multi-Specialty
HIMA SAN PABLO CAGUAS, URB MARIOLGA #100 AVE LUIS MUNOZ MARIN
Caguas, PR 00725
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 428 clinicians in this Medicare group
Pediatric Cardiology
CENTRO MEDICO DE PR, EDIF. PRINCIPAL ESCUELA DE MEDICINA APTDO 219134
San Juan, PR 00929
  • Reassigned Medicare billing, Puerto Rico enrollment
  • 8 clinicians in this Medicare group

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

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

Medical Genetics (Clinical Molecular Genetics)
252 SAN JORGE ST., SUITE 408
SANTURCE, PR 00912

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 Francisco Diaz's NPI number?

The NPI number for Francisco Diaz is 1508826504. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Francisco Diaz located?

Francisco Diaz practices at 252 San Jorge St. Suite 406 San Jorge Medical Building, San Juan, PR 00912. The listed phone number is (787) 726-0210.

What is Francisco Diaz's specialty?

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

Is Francisco Diaz enrolled in Medicare?

Yes. Francisco Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Francisco Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Francisco Diaz reassigns Medicare benefits to 2 organizations: Centro Medico Del Turabo Inc (Caguas, PR) and Recinto De Ciencias Medicas (San Juan, PR). Each 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 Francisco Diaz'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 Francisco Diaz was last updated on March 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.