Dan Nguyen, MD
NPI 1366947509 · Diagnostic Radiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dan Nguyen, MD is a Diagnostic Radiology Physician provider in Houston, TX (NPI 1366947509).
Provider details
- NPI number
- 1366947509
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- U4583 (TX)
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
8 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
953 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 244 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 97 | $39 |
| X-Ray of Chest, 2 Views71046 | 69 | $10 |
| Ct Scan of Chest Without Contrast71250 | 45 | $50 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 45 | $84 |
| X-Ray of Abdomen, 1 View74018 | 42 | $9 |
| X-Ray of Knee, 3 Views73562 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 1 distinct drug on file.
| Drug | Part D claims (2024) |
|---|---|
| Pantoprazole Sodium | 15 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means no Part D record, never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$356 across 5 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
- 2018-03-29
- Last updated
- 2025-10-09
- Certified
- 2025-10-09
Frequently asked questions
- What is Dan Nguyen's NPI number?
- Dan Nguyen's National Provider Identifier (NPI) is 1366947509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dan Nguyen's specialty?
- Dan Nguyen is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Dan Nguyen located?
- Dan Nguyen's practice location on file with NPPES is 800 Peakwood Dr Ste 5e, Houston, TX 77090-2903.
- What is Dan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Dan Nguyen is (281) 206-9050.
- Does Dan Nguyen accept Medicare?
- Dan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dan Nguyen's NPI active?
- Yes — Dan Nguyen's NPI (1366947509) is active in the NPPES registry as of the last update on 2025-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.