Giang-Kim Nguyen
NPI 1639666779 · Neuroradiology Physician · Falls Church, VA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Giang-Kim Nguyen is a Neuroradiology Physician provider in Falls Church, VA (NPI 1639666779).
Provider details
- NPI number
- 1639666779
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 0101280918 (VA)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,794 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 Scan Head Or Brain Without Contrast70450 | 406 | $40 |
| Ct Scan of Upper Spine Without Contrast72125 | 157 | $48 |
| Mri Scan of Lower Spinal Canal Without Contrast72148 | 90 | $119 |
| Mri Scan of Brain Without Contrast70551 | 86 | $72 |
| Mri Scan of Brain Before and After Contrast70553 | 73 | $165 |
| Ct Scan of Lower Spine Without Contrast72131 | 67 | $47 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$113 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
Additional practice locations (1)
- 56 Franklin St Ste 1Waterbury, CT 06706-1281Phone: (203) 709-8685
Registry dates
- Enumerated
- 2018-04-14
- Last updated
- 2024-11-07
- Certified
- 2024-11-07
Frequently asked questions
- What is Giang-Kim Nguyen's NPI number?
- Giang-Kim Nguyen's National Provider Identifier (NPI) is 1639666779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Giang-Kim Nguyen's specialty?
- Giang-Kim Nguyen is listed in the NPPES registry with a primary specialty of Neuroradiology Physician (Allopathic & Osteopathic Physicians).
- Where is Giang-Kim Nguyen located?
- Giang-Kim Nguyen's practice location on file with NPPES is 3300 Gallows Rd, Falls Church, VA 22042-3307.
- What is Giang-Kim Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Giang-Kim Nguyen is (703) 698-4444.
- Does Giang-Kim Nguyen accept Medicare?
- Giang-Kim Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Giang-Kim Nguyen's NPI active?
- Yes — Giang-Kim Nguyen's NPI (1639666779) is active in the NPPES registry as of the last update on 2024-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.