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Family Practice

Germariliz Diaz Martinez, MD

Sees patients in Toa Alta, PR · Puerto Rico

Summary

Dr. Germariliz Diaz Martinez, MD is a family doctor at Urb Jardines De Toa Alta Edificio Rio, Mall Oficina A3, Toa Alta, PR 00953. Phone: (939) 649-0848. May accept Medicare assignment. NPI 1306251491. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: Urb Jardines De Toa Alta Edificio Rio, Mall Oficina A3, Toa Alta, PR 00953 · Directions
  • Phone: (939) 649‑0848
  • Medicare: May accept Medicare assignment
  • Medical school: graduated 2008 (18 years since medical school)
  • Gender (as listed): Female
Call(939) 649‑0848 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Germariliz Diaz Martinez, 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 Germariliz Diaz Martinez accept Medicare assignment?
Medicare's clinician data says Germariliz Diaz Martinez may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Germariliz Diaz Martinez's NPI number?
1306251491. 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 Germariliz Diaz Martinez is enrolled with Medicare (CMS data updated October 2, 2026).

  • Urb Jardines De Toa Alta Edificio Rio, Mall Oficina A3Toa Alta, PR 00953 (939) 649‑0848

Specialties

Find other Family Practice doctors in Puerto Rico →

Other family doctors in Puerto Rico

Clinicians with the same Medicare primary specialty in Puerto Rico — not a recommendation.

All family doctors in Puerto Rico →

Clinician information

CredentialMD
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1306251491
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