Brian C. Bai, MD
NPI 1144424102ActiveIndividual· Family Medicine· Oxnard, CA
Family Medicine (MD) in Oxnard, California, licensed in CA, with an NPI issued in June 2007. Their prescriptions cost Medicare Part D more than their services did: $1,140,537 for 8,660 claims, against $102,457 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $116.23 in all, mostly food and beverage. Lists Marian Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1144424102 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 13, 2007 |
| Last updated in NPPES | Nov 8, 2024 |
| Certified by provider | Nov 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A101489 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 1,196 across 44 procedure codes |
| Paid by Medicare | $102,457 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,660 · 20,542 30-day fills |
|---|---|
| Patients | 437 |
| Total drug cost | $1,140,537 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Hospital affiliations
- Marian Regional Medical CenterSanta Maria, CA
- St Johns Regional Medical CenterOxnard, CA
Other facilities
- Mission Home Health of Ventura, LLCHome health agency · Oxnard, CA
Industry payments (Open Payments)
- 2025$116.23 · 6 payments from 3 companies
- 2024$69.95 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $44.51 | 2 |
| Exact Sciences Corporation | $43.09 | 2 |
| Pfizer Inc. | $28.63 | 2 |
What the 2025 payments were for
- Food and Beverage$116.23 · 6 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