James N. Bui, M.D.
NPI 1306100912ActiveIndividual· Internal Medicine· Harlingen, TX
Internal Medicine (M.D.) with McAllen Hospitalist Group PLLC, practicing in Harlingen, Texas. 40 Medicare patients in 2024, $4,280 paid; nearly all of their 88 Part D prescriptions were generic (95%). Boston Scientific Corporation reported $45.73 in payments in 2025, mostly food and beverage. Lists South Texas Health System as a hospital affiliation.
Overview
| NPI | 1306100912 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 28, 2012 |
| Last updated in NPPES | Feb 8, 2023 |
| Certified by provider | Feb 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | T8099 | TX |
| Internal Medicine | 207R00000X | 29003 | NE |
| Hospitalist | 208M00000X | MD-44926 | IA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 40 |
|---|---|
| Services billed | 42 across 7 procedure codes |
| Paid by Medicare | $4,280 |
Part D prescriptions in 2024
| Prescriptions (claims) | 88 · 258 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $4,679 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- McAllen Hospitalist Group PLLCMcAllen, TX · 108 clinicians
Hospital affiliation
- South Texas Health SystemEdinburg, TX
Industry payments (Open Payments)
- 2025$45.73 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $45.73 | 1 |
What the 2025 payments were for
- Food and Beverage$45.73 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 internal medicine physicians in Harlingen · All internal medicine physicians in Texas