Barbara Bellfield, NP
NPI 1295915825ActiveIndividual· Nurse Practitioner, Family· Oxnard, CA
Nurse Practitioner, Family (NP) with Austin J Ma MD A Professional Corporation, practicing in Oxnard, California. Their prescriptions cost Medicare Part D more than their services did: $1,726,353 for 813 claims, against $3,201 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 31 companies reporting payments in 2025, $4,816 in all, mostly food and beverage.
Overview
| NPI | 1295915825 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Nov 12, 2007 |
| Last updated in NPPES | Dec 23, 2021 |
| Certified by provider | Dec 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | NP9232 | 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 | 28 |
|---|---|
| Services billed | 62 across 2 procedure codes |
| Paid by Medicare | $3,201 |
Part D prescriptions in 2024
| Prescriptions (claims) | 813 · 1,638 30-day fills |
|---|---|
| Patients | 219 |
| Total drug cost | $1,726,353 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Austin J Ma MD A Professional CorporationOxnard, CA · 11 clinicians
Industry payments (Open Payments)
- 2025$4,816 · 178 payments from 31 companies
- 2024$4,137 · 152 payments from 34 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,297 | 32 |
| Astrazeneca Pharmaceuticals LP | $385.10 | 20 |
| Janssen Biotech, Inc. | $249.99 | 11 |
| Pfizer Inc. | $242.85 | 10 |
| E.R. Squibb & Sons, L.L.C. | $236.72 | 13 |
What the 2025 payments were for
- Food and Beverage$3,816 · 166 payments
- Long term medical supply or device loan$999.96 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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