Ngoc-Ha Nguyen, MD
NPI 1750346870 · Internal Medicine Physician · Annandale, VA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ngoc-Ha Nguyen, MD is a Internal Medicine Physician provider in Annandale, VA (NPI 1750346870).
Provider details
- NPI number
- 1750346870
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101053981 (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
20 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
6,061 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 3,148 | $83 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 876 | $18 |
| Advance Care Planning, First 30 Minutes99497 | 498 | $91 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 485 | $27 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 334 | $149 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 165 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 872 | 242 |
| Amlodipine Besylate | 777 | 218 |
| Losartan Potassium | 619 | 165 |
| Simvastatin | 611 | 158 |
| Levocetirizine Dihydrochloride | 528 | 272 |
| Metformin Hcl | 477 | 124 |
| Rosuvastatin Calcium | 446 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$949 across 48 records (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
- 2006-04-20
- Last updated
- 2024-03-11
- Certified
- 2024-03-11
Frequently asked questions
- What is Ngoc-Ha Nguyen's NPI number?
- Ngoc-Ha Nguyen's National Provider Identifier (NPI) is 1750346870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ngoc-Ha Nguyen's specialty?
- Ngoc-Ha Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ngoc-Ha Nguyen located?
- Ngoc-Ha Nguyen's practice location on file with NPPES is 7202-C Poplar St, Annandale, VA 22003.
- What is Ngoc-Ha Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Ngoc-Ha Nguyen is (703) 642-3220.
- Does Ngoc-Ha Nguyen accept Medicare?
- Ngoc-Ha Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ngoc-Ha Nguyen's NPI active?
- Yes — Ngoc-Ha Nguyen's NPI (1750346870) is active in the NPPES registry as of the last update on 2024-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.