Mai-Khanh Bui-Duy, M.D.
NPI 1275858409ActiveIndividual· Internal Medicine· Watsonville, CA
Internal Medicine (M.D.) in Watsonville, California, licensed in CA, with an NPI issued in March 2010. Their prescriptions cost Medicare Part D more than their services did: $251,977 for 1,374 claims, against $6,734 paid for services in 2024.
Overview
| NPI | 1275858409 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2010 |
| Last updated in NPPES | Mar 24, 2020 |
| Certified by provider | Mar 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A119506 | 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 | 204 |
|---|---|
| Services billed | 482 across 19 procedure codes |
| Paid by Medicare | $6,734 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,374 · 2,820 30-day fills |
|---|---|
| Patients | 82 |
| Total drug cost | $251,977 |
| Generic share | 80% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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