Antoinette Castaneda, ARNP
NPI 1205559937ActiveIndividual· Nurse Practitioner· Seattle, WA
Nurse Practitioner (ARNP) in Seattle, Washington, trained at University of Southern California Keck School of Medicine (class of 2021). Mostly services rather than prescriptions: Medicare paid $2,003 for 28 patients in 2024, with only 12 Part D claims.
Overview
| NPI | 1205559937 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Sep 19, 2022 |
| Last updated in NPPES | Sep 19, 2022 |
| Certified by provider | Sep 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | AP61301940 | WA |
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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 28 |
|---|---|
| Services billed | 33 across 4 procedure codes |
| Paid by Medicare | $2,003 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 12 30-day fills |
|---|---|
| Total drug cost | $121.54 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Nurse Practitioner |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 585 nurse practitioners in Seattle · All nurse practitioners in Washington