Abundio Castillo, FNP
NPI 1053888743ActiveIndividual· Nurse Practitioner, Family· Bakersfield, CA
Nurse Practitioner, Family (FNP) with Southern California Permanente Medical Group and 1 other group, practicing in Bakersfield, California. Their prescriptions cost Medicare Part D more than their services did: $429,762 for 2,301 claims, against $2,804 paid for services in 2024. Lilly USA, LLC was the largest of 4 companies reporting payments in 2025, $102.46 in all, mostly food and beverage.
Overview
| NPI | 1053888743 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | Yes |
| NPI issued | Oct 31, 2018 |
| Last updated in NPPES | Jan 5, 2023 |
| Certified by provider | Jan 5, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 95010344 | 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 | 69 |
|---|---|
| Services billed | 154 across 28 procedure codes |
| Paid by Medicare | $2,804 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,301 · 4,181 30-day fills |
|---|---|
| Patients | 298 |
| Total drug cost | $429,762 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
- West Side Health Care DistrictTaft, CA · 11 clinicians
Industry payments (Open Payments)
- 2025$102.46 · 6 payments from 4 companies
- 2024$102.94 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $33.73 | 2 |
| Exact Sciences Corporation | $30.37 | 2 |
| Pfizer Inc. | $22.63 | 1 |
| Astrazeneca Pharmaceuticals LP | $15.73 | 1 |
What the 2025 payments were for
- Food and Beverage$102.46 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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