Arsenio Gregorio Lopez III, MD
NPI 1477591493ActiveIndividual· Internal Medicine, Medical Oncology· El Paso, TX
Internal Medicine, Medical Oncology (MD) with Texas Oncology PA, practicing in El Paso, Texas. Their prescriptions cost Medicare Part D more than their services did: $3,427,521 for 1,237 claims, against $987,244 paid for services in 2024. Novartis Pharmaceuticals Corporation reported $81.98 in payments in 2025, mostly food and beverage. Lists Sierra Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1477591493 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 3, 2006 |
| Last updated in NPPES | Feb 28, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | J9744 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 335 |
|---|---|
| Services billed | 76,869 across 147 procedure codes |
| Paid by Medicare | $987,244 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,237 · 2,045 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $3,427,521 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Texas Oncology PAPlano, TX · 1,014 clinicians
Hospital affiliations
- Sierra Medical CenterEl Paso, TX
- The Hospitals of Providence - Memorial CampusEl Paso, TX
Industry payments (Open Payments)
- 2025$81.98 · 1 payment from 1 company
- 2024$228.48 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $81.98 | 1 |
What the 2025 payments were for
- Food and Beverage$81.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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