Stephan Armando Castro, MD
NPI 1144783580ActiveIndividual· Psychiatry & Neurology, Neuromuscular Medicine· Portland, OR
Psychiatry & Neurology, Neuromuscular Medicine (MD) in Portland, Oregon, trained at Temple University School of Medicine (class of 2019). 29 Medicare patients in 2024, $7,300 paid; nearly all of their 56 Part D prescriptions were generic (98%). Argenx US, Inc. reported $88.71 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1144783580 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 11, 2019 |
| Last updated in NPPES | Dec 16, 2025 |
| Certified by provider | Dec 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neuromuscular Medicine Primary | 2084N0008X | MD219687 | OR |
| Psychiatry & Neurology, Neurology | 2084N0400X | MD219687 | OR |
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 - Neurology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 29 |
|---|---|
| Services billed | 59 across 13 procedure codes |
| Paid by Medicare | $7,300 |
Part D prescriptions in 2024
| Prescriptions (claims) | 56 · 79 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $3,808 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- University Professional ServicesBeaverton, OR · 1,724 clinicians
Hospital affiliations
- Ohsu Hospital and ClinicsPortland, OR
- Peacehealth Southwest Medical CenteVancouver, WA
- Providence Portland Medical CenterPortland, OR
Industry payments (Open Payments)
- 2025$88.71 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Argenx US, Inc. | $88.71 | 1 |
What the 2025 payments were for
- Food and Beverage$88.71 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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