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Hematology/Oncology

Gilberto Jimenez Justiniano, MD

Works at hospitals in Irving, TX · Texas

Summary

Dr. Gilberto Jimenez Justiniano, MD is a hematologist-oncologist at 1600 W College St, Suite 440, Grapevine, TX 76051. Phone: (817) 865-6200. Accepts Medicare assignment. In 2024, Gilberto Jimenez Justiniano had 223 Original Medicare patients and 74,649 services. NPI 1619933504. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Gilberto Jimenez Justiniano, 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 Gilberto Jimenez Justiniano accept Medicare assignment?
Yes. Medicare's clinician data says Gilberto Jimenez Justiniano 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 Gilberto Jimenez Justiniano see?
In 2024, CMS data shows 223 Original Medicare patients and 74,649 services for Gilberto Jimenez Justiniano. This counts Original Medicare only and measures volume, not quality.
What is Gilberto Jimenez Justiniano's NPI number?
1619933504. 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 Gilberto Jimenez Justiniano, 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 patients223
Services billed to Medicare74,649
Different services or procedures120
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, iron sucrose, 1 mg (J1756)10,100 services
  2. Injection, dexamethasone sodium phosphate, 1 mg (J1100)1,035 services
  3. Injection, palonosetron hcl, 25 mcg (J2469)470 services
  4. Insertion of needle into vein for collection of blood sample (36415)333 services
  5. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)300 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%
  • Arthritis49%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)47%
  • Diabetes43%
  • Chronic kidney disease35%

Hospitals where Gilberto Jimenez Justiniano works

Medicare's Facility Affiliation Data lists Gilberto Jimenez Justiniano at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Gilberto Jimenez Justiniano is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gilberto Jimenez Justiniano as a member of this group (CMS data updated October 2, 2026).

  • Texas Oncology PA1,014 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Texas →

Other hematologist-oncologists in Texas

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

All hematologist-oncologists in Texas →

Other clinicians in Texas Oncology PA

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

Clinician information

CredentialMD
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619933504
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians