Dieu-Thi Nguyen, M.D.
NPI 1134419419 · Internal Medicine Physician · Woodbridge, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dieu-Thi Nguyen, M.D. is a Internal Medicine Physician provider in Woodbridge, VA (NPI 1134419419).
Provider details
- NPI number
- 1134419419
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0101256365 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 421 | 146 |
| Losartan Potassium | 238 | 75 |
| Amlodipine Besylate | 179 | 65 |
| Lisinopril | 142 | 46 |
| Metformin Hclbrand: Metformin Hcl Er | 118 | 41 |
| Levothyroxine Sodium | 118 | 36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-07
- Last updated
- 2021-05-27
- Certified
- 2021-05-27
Frequently asked questions
- What is Dieu-Thi Nguyen's NPI number?
- Dieu-Thi Nguyen's National Provider Identifier (NPI) is 1134419419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dieu-Thi Nguyen's specialty?
- Dieu-Thi Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dieu-Thi Nguyen located?
- Dieu-Thi Nguyen's practice location on file with NPPES is 14139 Potomac Mills Rd, Woodbridge, VA 22192-4644.
- What is Dieu-Thi Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Dieu-Thi Nguyen is (703) 490-8400.
- Does Dieu-Thi Nguyen accept Medicare?
- Dieu-Thi Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dieu-Thi Nguyen's NPI active?
- Yes — Dieu-Thi Nguyen's NPI (1134419419) is active in the NPPES registry as of the last update on 2021-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.