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Internal Medicine

Yanira M. Martinez, MD

Sees patients in Brownsville, TX · Texas

Summary

Dr. Yanira M. Martinez, MD is an internal medicine doctor at 5460 N Paredes Line Road, 200 Wellmed at North Brownsville, Brownsville, TX 78526. Phone: (956) 554-0010. Accepts Medicare assignment. In 2024, Yanira M. Martinez had 42 Original Medicare patients and 188 services. NPI 1457446288. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 5460 N Paredes Line Road, 200 Wellmed at North Brownsville, Brownsville, TX 78526 · Directions
  • Phone: (956) 554‑0010
  • Medicare: Accepts Medicare assignment
  • Group practice: Wellmed Medical Group PA
  • Medical school: State University Of New York At Stony Brook, School Of Medicine · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Yanira M. 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 Yanira M. Martinez accept Medicare assignment?
Yes. Medicare's clinician data says Yanira M. Martinez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Yanira M. Martinez see?
In 2024, CMS data shows 42 Original Medicare patients and 188 services for Yanira M. Martinez. This counts Original Medicare only and measures volume, not quality.
What is Yanira M. Martinez's NPI number?
1457446288. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Yanira M. Martinez, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients42
Services billed to Medicare188
Different services or procedures32
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 services
  2. Insertion of needle into vein for collection of blood sample (36415)37 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis48%
  • Diabetes45%
  • Chronic kidney disease43%
  • COPD38%

Practice locations

Addresses where Yanira M. Martinez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Yanira M. Martinez as a member of this group (CMS data updated October 2, 2026).

  • Wellmed Medical Group PA646 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Brownsville

Clinicians with the same Medicare primary specialty in Brownsville, TX — not a recommendation.

All internal medicine doctors in Brownsville →

Other clinicians in Wellmed Medical Group PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolState University Of New York At Stony Brook, School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457446288
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians