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Otolaryngology

Guillermo E. Martinez Rios, MD

Sees patients in Bayamon, PR · Puerto Rico

Summary

Guillermo E. Martinez Rios, MD (Otolaryngology) is enrolled with Medicare at 1 practice location in Bayamon, PR. NPI 1760474092. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(787) 740‑0120 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Guillermo E. Martinez Rios, 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

1Practice location
OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
University Of Puerto Rico School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Guillermo E. Martinez Rios see patients?
Medicare's clinician data lists 1 practice location in Bayamon, PR. Call before your visit to confirm the address.
What is Guillermo E. Martinez Rios's specialty?
Medicare lists Otolaryngology as the primary specialty.
Does Guillermo E. Martinez Rios accept Medicare assignment?
Yes. Medicare's clinician data says Guillermo E. Martinez Rios 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 Guillermo E. Martinez Rios?
(787) 740-0120, as listed in official Medicare / NPI Registry data.
What is Guillermo E. Martinez Rios's NPI number?
1760474092. 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 Guillermo E. Martinez Rios is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Otolaryngology doctors in Puerto Rico →

Other ENT doctors in Bayamon

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

All ENT doctors in Bayamon →

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760474092
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