Romualdo Aragon Aragon Jr., MD
NPI 1043276249ActiveIndividual· Internal Medicine· Las Vegas, NV
Internal Medicine (MD) in Las Vegas, Nevada, licensed in NV, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $839,391 for 6,612 claims, against $100,556 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 9 companies reporting payments in 2025, $542.76 in all, mostly food and beverage.
Overview
| NPI | 1043276249 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 25, 2006 |
| Last updated in NPPES | Oct 14, 2020 |
| Certified by provider | Oct 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 9214 | NV |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 181 |
|---|---|
| Services billed | 1,387 across 28 procedure codes |
| Paid by Medicare | $100,556 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,612 · 17,372 30-day fills |
|---|---|
| Patients | 398 |
| Total drug cost | $839,391 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Other facilities
- G & G Home Health Care ServicesHome health agency · Las Vegas, NV
- Saint Dominic Home Health Care IncHome health agency · North Las Vegas, NV
Industry payments (Open Payments)
- 2025$542.76 · 31 payments from 9 companies
- 2024$827.11 · 55 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $178.41 | 12 |
| Novo Nordisk Inc | $144.28 | 8 |
| Glaxosmithkline, LLC. | $105.68 | 5 |
| Abbott Laboratories | $24.24 | 1 |
| Amgen Inc. | $23.03 | 1 |
What the 2025 payments were for
- Food and Beverage$542.76 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,188 internal medicine physicians in Las Vegas · All internal medicine physicians in Nevada