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Ophthalmology

Frances Marrero Barrera

Sees patients in Caguas, PR · Puerto Rico

Summary

Frances Marrero Barrera (Ophthalmology) is enrolled with Medicare at 1 practice location in Caguas, PR. NPI 1275049488. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Frances Marrero Barrera, 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

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
University Of Puerto Rico School Of MedicineMedical school
FemaleGender (as listed)
Puerto Rico Eye InstituteGroup practice

Quick answers

Where does Frances Marrero Barrera see patients?
Medicare's clinician data lists 1 practice location in Caguas, PR. Call before your visit to confirm the address.
What is Frances Marrero Barrera's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Frances Marrero Barrera accept Medicare assignment?
Yes. Medicare's clinician data says Frances Marrero Barrera 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 Frances Marrero Barrera?
(787) 641-3030, as listed in official Medicare / NPI Registry data.
What is Frances Marrero Barrera's NPI number?
1275049488. 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 Frances Marrero Barrera is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Frances Marrero Barrera as a member of this group (CMS data updated 2026-10-02).

  • Puerto Rico Eye Institute7 clinicians in the group

Specialties

Find other Ophthalmology doctors in Puerto Rico →

Other ophthalmologists in Caguas

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

All ophthalmologists in Caguas →

Clinician information

Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275049488
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