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Endocrinology

Alexandra Aponte Velez, MD

Works at hospitals in San Juan, PR · Puerto Rico

Summary

Dr. Alexandra Aponte Velez, MD is an endocrinologist at 1801 Ave Juan Ponce De Leon Santurce, Suite 308 Ag Thyroid and Endocrine Clinic, San Juan, PR 00912. Phone: (787) 726-1100. Accepts Medicare assignment. NPI 1326491747. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Endocrinologist (Medicare lists Endocrinology)
  • Address: 1801 Ave Juan Ponce De Leon Santurce, Suite 308 Ag Thyroid and Endocrine Clinic, San Juan, PR 00912 · Directions
  • Phone: (787) 726‑1100
  • Medicare: Accepts Medicare assignment
  • Hospital: Auxilio Mutuo Hospital
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 2018 (8 years since medical school)
  • Gender (as listed): Female
Call(787) 726‑1100 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Alexandra Aponte Velez, 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 Alexandra Aponte Velez accept Medicare assignment?
Yes. Medicare's clinician data says Alexandra Aponte Velez 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 Alexandra Aponte Velez's NPI number?
1326491747. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexandra Aponte Velez works

Medicare's Facility Affiliation Data lists Alexandra Aponte Velez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Alexandra Aponte Velez is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Endocrinology doctors in Puerto Rico →

Other endocrinologists in San Juan

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

All endocrinologists in San Juan →

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326491747
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians