Ngoc-Ha T. Nguyen, MD
NPI 1750346870ActiveIndividual· Internal Medicine· Annandale, VA
Internal Medicine (MD) in Annandale, Virginia, trained at Johns Hopkins University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $1,395,948 for 15,424 claims, against $309,063 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $1,145 in all, mostly food and beverage.
Overview
| NPI | 1750346870 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 20, 2006 |
| Last updated in NPPES | Mar 11, 2024 |
| Certified by provider | Mar 11, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 0101053981 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 586 |
|---|---|
| Services billed | 6,195 across 18 procedure codes |
| Paid by Medicare | $309,063 |
Part D prescriptions in 2024
| Prescriptions (claims) | 15,424 · 35,870 30-day fills |
|---|---|
| Patients | 923 |
| Total drug cost | $1,395,948 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Inova Fairfax HospitalFalls Church, VA
- Inova Mount Vernon HospitalAlexandria, VA
- Virginia Hospital CenterArlington, VA
Other facilities
- Alternate Solutions Home Health-FairfaxHome health agency · Fairfax, VA
- Caregivers Home Health Services, IncHome health agency · Tysons, VA
- Enhabit Home HealthHome health agency · Springfield, VA
- Horizons Healthcare Services LLCHome health agency · Fairfax, VA
Industry payments (Open Payments)
- 2025$1,145 · 53 payments from 16 companies
- 2024$949.44 · 48 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $180.71 | 8 |
| Gilead Sciences, Inc. | $142.24 | 7 |
| Novo Nordisk Inc | $136.04 | 5 |
| Amgen Inc. | $125.89 | 6 |
| Sumitomo Pharma America, Inc. | $81.98 | 4 |
What the 2025 payments were for
- Food and Beverage$1,145 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 internal medicine physicians in Annandale · All internal medicine physicians in Virginia