Koji Kubo, M.D.
NPI 1295745180ActiveIndividual· Family Medicine· Oxnard, CA
Family Medicine (M.D.) in Oxnard, California, licensed in CA, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $693,799 for 5,648 claims, against $164,083 paid for services in 2024. Lilly USA, LLC was the largest of 5 companies reporting payments in 2025, $106.86 in all, mostly food and beverage. Lists St Johns Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1295745180 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Mar 7, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A95628 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 301 |
|---|---|
| Services billed | 2,413 across 30 procedure codes |
| Paid by Medicare | $164,083 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,648 · 11,667 30-day fills |
|---|---|
| Patients | 336 |
| Total drug cost | $693,799 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Hospital affiliation
- St Johns Regional Medical CenterOxnard, CA
Other facilities
- Mc Home Health Services, IncHome health agency · Walnut, CA
Industry payments (Open Payments)
- 2025$106.86 · 5 payments from 5 companies
- 2024$297.32 · 8 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $25.84 | 1 |
| Novo Nordisk Inc | $23.58 | 1 |
| Amgen Inc. | $21.14 | 1 |
| Pfizer Inc. | $19.92 | 1 |
| Glaxosmithkline, LLC. | $16.38 | 1 |
What the 2025 payments were for
- Food and Beverage$106.86 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 92 family medicine physicians in Oxnard · All family medicine physicians in California