Paul Carlo Castro, AGACNP-BC
NPI 1427769918ActiveIndividual· Nurse Practitioner, Gerontology· Duarte, CA
Nurse Practitioner, Gerontology (AGACNP-BC) with City of Hope Medical Foundation and 1 other group, practicing in Duarte, California. Their prescriptions cost Medicare Part D more than their services did: $252,424 for 129 claims, against $135,761 paid for services in 2024. Astellas Pharma US Inc was the largest of 8 companies reporting payments in 2025, $680.96 in all, mostly food and beverage.
Overview
| NPI | 1427769918 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | AGACNP-BC |
| Sole proprietor | Yes |
| NPI issued | Dec 6, 2022 |
| Last updated in NPPES | Jan 19, 2023 |
| Certified by provider | Jan 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | 95023777 | CA |
| Nurse Practitioner, Acute Care | 363LA2100X | 95023777 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 134 |
|---|---|
| Services billed | 802 across 17 procedure codes |
| Paid by Medicare | $135,761 |
Part D prescriptions in 2024
| Prescriptions (claims) | 129 · 137 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $252,424 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
- Izuchukwu Okpara MD IncValencia, CA · 45 clinicians
Industry payments (Open Payments)
- 2025$680.96 · 22 payments from 8 companies
- 2024$544.42 · 20 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $306.59 | 11 |
| Sobi, Inc | $117.52 | 2 |
| Daiichi Sankyo Inc. | $97.85 | 4 |
| Alexion Pharmaceuticals, Inc. | $37.12 | 1 |
| Glaxosmithkline, LLC. | $32.30 | 1 |
What the 2025 payments were for
- Food and Beverage$457.40 · 18 payments
- Education$223.56 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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