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Cardiovascular Disease (Cardiology)

Francisco J. Diaz, MD

Sees patients in San Juan, PR · Puerto Rico

Summary

Dr. Francisco J. Diaz, MD is a cardiologist at Ave Americo Miranda, Centro Medico Pr, San Juan, PR 00935. Phone: (787) 758-7953. Accepts Medicare assignment. NPI 1508826504. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Cardiologist (Medicare lists Cardiovascular Disease (Cardiology))
  • Address: Ave Americo Miranda, Centro Medico Pr, San Juan, PR 00935 · Directions
  • Phone: (787) 758‑7953
  • Medicare: Accepts Medicare assignment
  • Group practice: Recinto de Ciencias Medicas
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 1996 (30 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Francisco J. Diaz, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Francisco J. Diaz accept Medicare assignment?
Yes. Medicare's clinician data says Francisco J. Diaz accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Francisco J. Diaz's NPI number?
1508826504. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Francisco J. Diaz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Francisco J. Diaz as a member of this group (CMS data updated October 2, 2026).

  • Recinto de Ciencias Medicas247 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Puerto Rico →

Other cardiologists in San Juan

Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.

All cardiologists in San Juan →

Other clinicians in Recinto de Ciencias Medicas

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508826504
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians