Brenda Irene Castolo, AGACNP-BC
NPI 1083195408ActiveIndividual· Nurse Practitioner· Palo Alto, CA
Nurse Practitioner (AGACNP-BC) with Stanford Health Care and 1 other group, practicing in Palo Alto, California. Mostly services rather than prescriptions: Medicare paid $4,876 for 65 patients in 2024, with only 25 Part D claims. Takeda Pharmaceuticals U.S.A., Inc. reported $42.21 in payments in 2025, mostly food and beverage. Lists Stanford Health Care as a hospital affiliation.
Overview
| NPI | 1083195408 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGACNP-BC |
| Sole proprietor | No |
| NPI issued | Aug 23, 2018 |
| Last updated in NPPES | Jan 9, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 95009709 | CA |
| Nurse Practitioner, Acute Care | 363LA2100X | 95009709 | CA |
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 | 65 |
|---|---|
| Services billed | 66 across 6 procedure codes |
| Paid by Medicare | $4,876 |
Part D prescriptions in 2024
| Prescriptions (claims) | 25 · 25 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $217.40 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Stanford Health CareStanford, CA · 3,122 clinicians
- Alameda Health SystemOakland, CA · 601 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$42.21 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $42.21 | 2 |
What the 2025 payments were for
- Food and Beverage$42.21 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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