Nancy Chiao-Castle
NPI 1578619052ActiveIndividual· Nurse Practitioner· San Mateo, CA
Nurse Practitioner with County of San Mateo, practicing in San Mateo, California. Part D covered 594 prescriptions written in 2024, 89% of them generic. Lists San Mateo Medical Center as a hospital affiliation.
Overview
| NPI | 1578619052 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jan 26, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | RN245686 | CA |
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 - Nurse Practitioner (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 594 · 1,275 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $48,048 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- County of San MateoSan Mateo, CA · 310 clinicians
Hospital affiliation
- San Mateo Medical CenterSan Mateo, CA
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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