Quick answers
- Does Vu T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Vu T. Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Vu T. Nguyen see?
- In 2024, CMS data shows 17 Original Medicare patients and 71 services for Vu T. Nguyen. This counts Original Medicare only and measures volume, not quality.
- What is Vu T. Nguyen's NPI number?
- 1457400160. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Vu T. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 17 |
|---|---|
| Services billed to Medicare | 71 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)25 services
- Administration of influenza virus vaccine (G0008)11 services
Practice locations
Addresses where Vu T. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).
- 10701 Rosemary DrManassas, VA 20109 (703) 257‑3000
- 1221 Mercantile LnLargo, MD 20774 (301) 618‑5700
- 201 N Washington StFalls Church, VA 22046 (703) 237‑4000
Group practices
Medicare enrollment lists Vu T. Nguyen as a member of this group (CMS data updated October 2, 2026).
- Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Manassas
Clinicians with the same Medicare primary specialty in Manassas, VA — not a recommendation.
Other clinicians in Kaiser Foundation Health Plan of the Mid Atlantic States, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457400160 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians