Gregorio Joel Asuncion Castillo, M.D.
NPI 1184695488ActiveIndividual· Internal Medicine· El Paso, TX
Internal Medicine (M.D.) in El Paso, Texas, licensed in TX, with an NPI issued in January 2006. Their prescriptions cost Medicare Part D more than their services did: $1,180,366 for 11,901 claims, against $14,232 paid for services in 2024. Inspire Medical Systems, Inc. reported $76.98 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1184695488 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 27, 2006 |
| Last updated in NPPES | Nov 7, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | J8950 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 99 |
|---|---|
| Services billed | 257 across 8 procedure codes |
| Paid by Medicare | $14,232 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,901 · 30,586 30-day fills |
|---|---|
| Patients | 659 |
| Total drug cost | $1,180,366 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
- 2024$76.98 · 2 payments from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Inspire Medical Systems, Inc. | $76.98 | 2 |
What the 2024 payments were for
- Food and Beverage$76.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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