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Internal Medicine

Rey A. Aponte-Rivera, MD

Sees patients in Humacao, PR · Puerto Rico

Summary

Dr. Rey A. Aponte-Rivera, MD is an internal medicine doctor at M33 Calle, Suite 4, Humacao, PR 00791. Phone: (787) 426-6472. Accepts Medicare assignment. NPI 1003401191. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: M33 Calle, Suite 4, Humacao, PR 00791 · Directions
  • Phone: (787) 426‑6472
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 2017 (9 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Rey A. Aponte-Rivera, 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 Rey A. Aponte-Rivera accept Medicare assignment?
Yes. Medicare's clinician data says Rey A. Aponte-Rivera 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 Rey A. Aponte-Rivera's NPI number?
1003401191. 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 Rey A. Aponte-Rivera is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in Humacao

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

All internal medicine doctors in Humacao →

Clinician information

CredentialMD
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003401191
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