Quoc-Han Nguyen
NPI 1013476878 · Diagnostic Radiology Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quoc-Han Nguyen is a Diagnostic Radiology Physician provider in Modesto, CA (NPI 1013476878).
Provider details
- NPI number
- 1013476878
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
954 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 | 438 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 73 | $39 |
| X-Ray of Abdomen, 1 View74018 | 57 | $9 |
| X-Ray of Chest, 2 Views71046 | 51 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 42 | $85 |
| Ct Scan of Heart With Evaluation of Blood Vessel Calcium75571 | 29 | $108 |
| Ct Scan of Upper Spine Without Contrast |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (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
- 2019-03-19
- Last updated
- 2024-07-29
- Certified
- 2024-07-29
Frequently asked questions
- What is Quoc-Han Nguyen's NPI number?
- Quoc-Han Nguyen's National Provider Identifier (NPI) is 1013476878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quoc-Han Nguyen's specialty?
- Quoc-Han Nguyen is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Quoc-Han Nguyen located?
- Quoc-Han Nguyen's practice location on file with NPPES is 1524 Mchenry Ave Ste 420, Modesto, CA 95350-4567.
- What is Quoc-Han Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Quoc-Han Nguyen is (209) 577-4444.
- Does Quoc-Han Nguyen accept Medicare?
- Quoc-Han Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quoc-Han Nguyen's NPI active?
- Yes — Quoc-Han Nguyen's NPI (1013476878) is active in the NPPES registry as of the last update on 2024-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.