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Medical Oncology

Arsenio G. Lopez Iii, MD

Works at hospitals in El Paso, TX · Texas

Summary

Dr. Arsenio G. Lopez Iii, MD is an oncologist at 7848 Gateway Blvd E, El Paso, TX 79915. Phone: (915) 599-1313. Accepts Medicare assignment. In 2024, Arsenio G. Lopez Iii had 335 Original Medicare patients and 76,869 services. NPI 1477591493. 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 Arsenio G. Lopez Iii, 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 Arsenio G. Lopez Iii accept Medicare assignment?
Yes. Medicare's clinician data says Arsenio G. Lopez Iii 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 Arsenio G. Lopez Iii see?
In 2024, CMS data shows 335 Original Medicare patients and 76,869 services for Arsenio G. Lopez Iii. This counts Original Medicare only and measures volume, not quality.
What is Arsenio G. Lopez Iii's NPI number?
1477591493. 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 Arsenio G. Lopez Iii, 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 patients335
Services billed to Medicare76,869
Different services or procedures147
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Injection, darbepoetin alfa, 1 microgram (non-esrd use) (J0881)8,300 services
  2. Injection, oxaliplatin, 0.5 mg (J9263)6,500 services
  3. Injection, fosaprepitant, 1 mg (J1453)5,400 services
  4. Injection, dexamethasone sodium phosphate, 1 mg (J1100)746 services
  5. Injection, granisetron hydrochloride, 100 mcg (J1626)550 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%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)56%
  • Chronic kidney disease46%
  • Diabetes45%
  • Arthritis43%

Hospitals where Arsenio G. Lopez Iii works

Medicare's Facility Affiliation Data lists Arsenio G. Lopez Iii 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 Arsenio G. Lopez Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Arsenio G. Lopez Iii as a member of this group (CMS data updated October 2, 2026).

  • Texas Oncology PA1,014 clinicians in the group

Specialties

Find other Medical Oncology doctors in Texas →

Other oncologists in El Paso

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

All oncologists in El Paso →

Other clinicians in Texas Oncology PA

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

Clinician information

CredentialMD
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1477591493
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