Nam Huu Do, M.D.
NPI 1063456572ActiveIndividual· Internal Medicine· Amarillo, TX
Internal Medicine (M.D.) in Amarillo, Texas, trained at Texas A & M University System, Hsc, College of Medicine (class of 1995). In 2024 Medicare paid $694,503 for 546 patients, and Part D covered 9,256 of their prescriptions, 88% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 19 companies reporting payments in 2025, $1,919 in all, mostly food and beverage.
Overview
| NPI | 1063456572 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | K0287 | TX |
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 | 546 |
|---|---|
| Services billed | 23,995 across 174 procedure codes |
| Paid by Medicare | $694,503 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,256 · 21,931 30-day fills |
|---|---|
| Patients | 629 |
| Total drug cost | $1,025,462 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Texas A & M University System, Hsc, College of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Amarillo Medical Specialists,llpAmarillo, TX · 42 clinicians
Hospital affiliations
- Bsa HospitalAmarillo, TX
- Northwest Texas HospitalAmarillo, TX
- Quail Creek Surgical HospitalAmarillo, TX
Other facilities
- Centerwell Home HealthHome health agency · Amarillo, TX
Industry payments (Open Payments)
- 2025$1,919 · 126 payments from 19 companies
- 2024$2,422 · 156 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $297.08 | 21 |
| Novo Nordisk Inc | $284.99 | 17 |
| Lilly USA, LLC | $215.44 | 13 |
| Pfizer Inc. | $212.44 | 15 |
| Glaxosmithkline, LLC. | $154.06 | 17 |
What the 2025 payments were for
- Food and Beverage$1,919 · 126 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 105 internal medicine physicians in Amarillo · All internal medicine physicians in Texas