Tam Nguyen, MD
NPI 1437128113 · Radiation Oncology Physician · Mesa, AZ
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tam Nguyen, MD is a Radiation Oncology Physician provider in Mesa, AZ (NPI 1437128113).
Provider details
- NPI number
- 1437128113
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 26276 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
5,174 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 1,151 | $114 |
| Intensity Modulated Treatment Delivery, Single Or Multiple Fields/Arcs,via Narrow Spatially and Temporally Modulated Beams, Binary, Dynamic Mlc, Per Treatment SessionG6015 | 933 | $338 |
| Radiation Treatment Delivery,3 Or More Separate Treatment Areas, Custom Blocking, Tangential Ports, Wedges, Rotational Beam, Compensators, Electron Beam; 6-10 MevG6012 | 780 | $219 |
| Continuing Radiation Therapy Consultation Per Week77336 | 372 | $84 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 365 | $182 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 85 | 31 |
| Silver Sulfadiazinebrand: Ssd | 59 | 52 |
| Tamsulosin Hcl | 50 | 13 |
| Cephalexin | 45 | 34 |
| Pentoxifylline | 40 | — |
| Gabapentin | 28 | — |
| Silver Sulfadiazine | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,415 across 108 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-16
- Last updated
- 2022-11-17
- Certified
- 2022-11-17
Frequently asked questions
- What is Tam Nguyen's NPI number?
- Tam Nguyen's National Provider Identifier (NPI) is 1437128113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tam Nguyen's specialty?
- Tam Nguyen is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Tam Nguyen located?
- Tam Nguyen's practice location on file with NPPES is 6111 E Arbor Ave, Mesa, AZ 85206-6059.
- What is Tam Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Tam Nguyen is (480) 981-1326.
- Does Tam Nguyen accept Medicare?
- Tam Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tam Nguyen's NPI active?
- Yes — Tam Nguyen's NPI (1437128113) is active in the NPPES registry as of the last update on 2022-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.