Danh Nguyen, MD
NPI 1003999103 · Diagnostic Radiology Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Danh Nguyen, MD is a Diagnostic Radiology Physician provider in Riverside, CA (NPI 1003999103).
Provider details
- NPI number
- 1003999103
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 61259 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
16,609 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, 2 Views71046 | 1,546 | $36 |
| Complete Ultrasound Scan of Abdomen76700 | 997 | $117 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 986 | $42 |
| X-Ray of Knee, 3 Views73562 | 820 | $43 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 731 | $37 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 613 | $42 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 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
- 2006-10-23
- Last updated
- 2023-03-07
- Certified
- 2021-06-28
Frequently asked questions
- What is Danh Nguyen's NPI number?
- Danh Nguyen's National Provider Identifier (NPI) is 1003999103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Danh Nguyen's specialty?
- Danh Nguyen is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Danh Nguyen located?
- Danh Nguyen's practice location on file with NPPES is 4334 Central Ave, Riverside, CA 92506-2918.
- What is Danh Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Danh Nguyen is (951) 682-7580.
- Does Danh Nguyen accept Medicare?
- Danh Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Danh Nguyen's NPI active?
- Yes — Danh Nguyen's NPI (1003999103) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.