Silas Steven Luna, PA
NPI 1003395872ActiveIndividual· Physician Assistant, Medical· Houston, TX
Physician Assistant, Medical (PA) with Rio Grande Urology PA, practicing in Houston, Texas. Their prescriptions cost Medicare Part D more than their services did: $331,184 for 3,506 claims, against $44,077 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 8 companies reporting payments in 2025, $606.10 in all, mostly food and beverage. Lists Las Palmas Medical Center A Campus of Lpds Healthc and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1003395872 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Aug 12, 2018 |
| Last updated in NPPES | Aug 12, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA12129 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 335 |
|---|---|
| Services billed | 935 across 22 procedure codes |
| Paid by Medicare | $44,077 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,506 · 8,707 30-day fills |
|---|---|
| Patients | 1,078 |
| Total drug cost | $331,184 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Rio Grande Urology PAEl Paso, TX · 27 clinicians
Hospital affiliations
- Las Palmas Medical Center A Campus of Lpds HealthcEl Paso, TX
- The Hospitals of Providence - East CampusEl Paso, TX
- The Hospitals of Providence - Memorial CampusEl Paso, TX
- University Medical Center of El PasoEl Paso, TX
Other facilities
- Enhabit Home HealthHome health agency · El Paso, TX
Industry payments (Open Payments)
- 2025$606.10 · 21 payments from 8 companies
- 2024$92.27 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $232.22 | 11 |
| Calyxo, Inc. | $186.55 | 2 |
| Olympus America Inc. | $57.16 | 2 |
| Merck Sharp & Dohme LLC | $45.03 | 2 |
| 180 Medical, Inc. | $27.79 | 1 |
What the 2025 payments were for
- Food and Beverage$606.10 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant, Medical providers in Houston
- 1497623128
- 1174830707
- 1710152194
- 1265779151
- 1669765137
- 1972549848
- 1447557780
- 1134437189
- 1366765307
- 1477782746
- 1871916072
- 1578506754