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Ophthalmology

Marialejandra Diaz Ibarra, MD

Sees patients in Chino, CA · California

Summary

Dr. Marialejandra Diaz Ibarra, MD is an ophthalmologist at 14726 Ramona Ave, Suite 203, Chino, CA 91710. May accept Medicare assignment. NPI 1851031173. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Ophthalmologist (Medicare lists Ophthalmology)
  • Address: 14726 Ramona Ave, Suite 203, Chino, CA 91710 · Directions
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 2003 (23 years since medical school)
  • Gender (as listed): Female
NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Marialejandra Diaz Ibarra, 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 Marialejandra Diaz Ibarra accept Medicare assignment?
Medicare's clinician data says Marialejandra Diaz Ibarra may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Marialejandra Diaz Ibarra's NPI number?
1851031173. 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 Marialejandra Diaz Ibarra is enrolled with Medicare (CMS data updated October 2, 2026).

  • 14726 Ramona Ave, Suite 203Chino, CA 91710

Specialties

Find other Ophthalmology doctors in California →

Other ophthalmologists in Chino

Clinicians with the same Medicare primary specialty in Chino, CA — not a recommendation.

All ophthalmologists in Chino →

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1851031173
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