Tam T. Nguyen, MD
NPI 1437128113ActiveIndividual· Radiology, Radiation Oncology· Mesa, AZ
Radiology, Radiation Oncology (MD) with Select Physical Therapy of West Denver Limited Partnership and 1 other group, practicing in Mesa, Arizona. In 2024 Medicare paid $900,246 for 365 patients, and Part D covered 595 of their prescriptions, 85% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 41 companies reporting payments in 2025, $3,287 in all, mostly food and beverage.
Overview
| NPI | 1437128113 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 16, 2006 |
| Last updated in NPPES | Nov 17, 2022 |
| Certified by provider | Nov 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 26276 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Radiation Oncology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 365 |
|---|---|
| Services billed | 9,119 across 47 procedure codes |
| Paid by Medicare | $900,246 |
Part D prescriptions in 2024
| Prescriptions (claims) | 595 · 763 30-day fills |
|---|---|
| Patients | 189 |
| Total drug cost | $12,838 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Radiation Oncology |
Medical groups
- Select Physical Therapy of West Denver Limited PartnershipWoodland Park, CO · 548 clinicians
- Ironwood Physicians PCChandler, AZ · 116 clinicians
Industry payments (Open Payments)
- 2025$3,287 · 151 payments from 41 companies
- 2024$2,415 · 119 payments from 29 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $390.66 | 21 |
| Janssen Biotech, Inc. | $288.98 | 16 |
| Novartis Pharmaceuticals Corporation | $254.37 | 12 |
| Daiichi Sankyo Inc. | $248.84 | 9 |
| Merck Sharp & Dohme LLC | $228.82 | 12 |
What the 2025 payments were for
- Food and Beverage$3,287 · 151 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Radiology, Radiation Oncology providers in Mesa
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