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Internal Medicine

Maria E. Narvaez Rivera, MD

Sees patients in San Juan, PR · Puerto Rico

Summary

Maria E. Narvaez Rivera, MD (Internal Medicine) is enrolled with Medicare at 3 practice locations in San Juan, PR. NPI 1306907639. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(787) 727‑8227 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Maria E. Narvaez Rivera, 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

3Practice locations
Internal MedicinePrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
FemaleGender (as listed)

Quick answers

Where does Maria E. Narvaez Rivera see patients?
Medicare's clinician data lists 3 practice locations, including San Juan, PR. Call before your visit to confirm the address.
What is Maria E. Narvaez Rivera's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Maria E. Narvaez Rivera accept Medicare assignment?
Yes. Medicare's clinician data says Maria E. Narvaez Rivera accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Maria E. Narvaez Rivera?
(787) 727-8227, as listed in official Medicare / NPI Registry data.
What is Maria E. Narvaez Rivera's NPI number?
1306907639. 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 Maria E. Narvaez Rivera is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in Puerto Rico →

Other internal medicine doctors in San Juan

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

All internal medicine doctors in San Juan →

Clinician information

CredentialMD
Graduation year1985
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306907639
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