Alaina Castro, PA-C
NPI 1679283469ActiveIndividual· Physician Assistant· Stanford, CA
Physician Assistant (PA-C) with Stanford Health Care, practicing in Stanford, California. 74 Medicare patients in 2024, $8,828 paid; nearly all of their 169 Part D prescriptions were generic (93%). Polynovo North America LLC reported $28.50 in payments in 2024, mostly food and beverage. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1679283469 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Dec 1, 2022 |
| Last updated in NPPES | Dec 19, 2025 |
| Certified by provider | Dec 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 64827 | CA |
| Physician Assistant, Surgical | 363AS0400X | 64827 | CA |
| Physician Assistant | 363A00000X | PA61397064 | 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 - Physician Assistant (CA); Practitioner - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 74 |
|---|---|
| Services billed | 120 across 16 procedure codes |
| Paid by Medicare | $8,828 |
Part D prescriptions in 2024
| Prescriptions (claims) | 169 · 203 30-day fills |
|---|---|
| Patients | 72 |
| Total drug cost | $10,574 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2024$28.50 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Polynovo North America LLC | $28.50 | 1 |
What the 2024 payments were for
- Food and Beverage$28.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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