Alex P. Nguyen, M. D.
NPI 1922069624ActiveIndividual· Internal Medicine, Hematology & Oncology· Houston, TX
Internal Medicine, Hematology & Oncology (M. D.) in Houston, Texas, trained at University of Texas Medical School at Houston (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $9,707,287 for 2,382 claims, against $1,635,329 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 43 companies reporting payments in 2025, $2,881 in all, mostly food and beverage.
Overview
| NPI | 1922069624 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M. D. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2006 |
| Last updated in NPPES | Mar 18, 2026 |
| Certified by provider | Mar 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | L8452 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 248,821 across 140 procedure codes |
| Paid by Medicare | $1,635,329 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,382 · 3,343 30-day fills |
|---|---|
| Patients | 349 |
| Total drug cost | $9,707,287 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- American Oncology Partners PAFort Wayne, IN · 391 clinicians
- Oncology Consultants, P. A.Pearland, TX · 34 clinicians
Hospital affiliations
- Memorial Hermann - Texas Medical CenterHouston, TX
- Memorial Hermann Katy HospitalKaty, TX
- Memorial Hermann Memorial City HospitalHouston, TX
- Memorial Hermann Sugar Land HospitalSugar Land, TX
Other facilities
- Memorial Hermann Rehabilitation Hospital KatyInpatient rehabilitation facility · Katy, TX
Industry payments (Open Payments)
- 2025$2,881 · 102 payments from 43 companies
- 2024$2,865 · 132 payments from 31 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $316.21 | 13 |
| Abbvie Inc. | $247.83 | 2 |
| Merck Sharp & Dohme LLC | $207.49 | 8 |
| Astrazeneca Pharmaceuticals LP | $165.68 | 7 |
| Boston Scientific Corporation | $156.96 | 1 |
What the 2025 payments were for
- Food and Beverage$2,646 · 101 payments
- Grant$235.20 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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