Payment Breakdown by Category
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Grant | $90,000 | 1 | 100.0% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Biogen, Inc. | $90,000 | 1 | $0 (2023) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2023 | $90,000 | 1 | Biogen, Inc. ($90,000) |
All Payment Transactions
1 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 07/25/2023 | Biogen, Inc. | — | Grant | Cash or cash equivalent | $90,000.00 | General |
About Dr. Stephan Castro, MD
Dr. Stephan Castro, MD is a Neuromuscular Medicine healthcare provider based in Portland, Oregon. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 04/11/2019. The National Provider Identifier (NPI) number assigned to this provider is 1144783580.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Stephan Castro, MD has received a total of $90,000 in payments from pharmaceutical and medical device companies, with $90,000 received in 2023. These payments were reported across 1 transactions from 1 company. The most common payment nature is "Grant" ($90,000).
Practice Information
- Specialty Neuromuscular Medicine
- Other Specialties Neurology
- Location Portland, OR
- Active Since 04/11/2019
- Last Updated 12/16/2025
- Taxonomy Code 2084N0008X
- Entity Type Individual
- NPI Number 1144783580
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Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.