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Internal Medicine

Leonora Diaz, MD

Sees patients in Addison, TX · Vega Baja, PR · Texas, Puerto Rico

Summary

Leonora Diaz, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Addison, TX and Vega Baja, PR. NPI 1033150230. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Leonora Diaz, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
30Years since medical school (graduated 1996)
University Of Puerto Rico School Of MedicineMedical school
FemaleGender (as listed)

Quick answers

Where does Leonora Diaz see patients?
Medicare's clinician data lists 2 practice locations, including Addison, TX and Vega Baja, PR. Call before your visit to confirm the address.
What is Leonora Diaz's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Leonora Diaz accept Medicare assignment?
Medicare's clinician data says Leonora Diaz may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Leonora Diaz's NPI number?
1033150230. 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 Leonora Diaz is enrolled with Medicare (CMS data updated 2026-10-02).

  • 5080 Spectrum Dr, Suite 1200wAddison, TX 75001
  • Rd 2 Km, 7 Bo. AlgarroboVega Baja, PR 00693

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Addison

Clinicians with the same Medicare primary specialty in Addison, TX — not a recommendation.

All internal medicine doctors in Addison →

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1996
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1033150230
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 2026-10-02, retrieved 2026-10-29
  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