William Xuan Nghiem, MD
NPI 1851559223ActiveIndividual· Radiology, Vascular & Interventional Radiology· Germantown, MD
Radiology, Vascular & Interventional Radiology (MD) in Germantown, Maryland, trained at Temple University School of Medicine (class of 2008). Medicare paid $131,407 for services to 165 patients in 2024. Siemens Medical Solutions USA, Inc. was the largest of 10 companies reporting payments in 2025, $1,576 in all, mostly travel and lodging.
Overview
| NPI | 1851559223 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 1, 2008 |
| Last updated in NPPES | Jun 26, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Vascular & Interventional Radiology Primary | 2085R0204X | D78132 | MD |
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 - Diagnostic Radiology (DC); Practitioner - Interventional Radiology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 165 |
|---|---|
| Services billed | 642 across 49 procedure codes |
| Paid by Medicare | $131,407 |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Interventional Radiology |
Medical group
- Horizon Surgical Group PAFrederick, MD · 7 clinicians
Hospital affiliation
- Frederick Health HospitalFrederick, MD
Industry payments (Open Payments)
- 2025$1,576 · 19 payments from 10 companies
- 2024$671.88 · 22 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $1,073 | 5 |
| Angiodynamics, Inc. | $229.40 | 2 |
| Boston Scientific Corporation | $87.08 | 3 |
| Okami Medical, Inc. | $33.56 | 1 |
| Medtronic, Inc. | $33.56 | 1 |
What the 2025 payments were for
- Travel and Lodging$925.34 · 3 payments
- Food and Beverage$650.69 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Radiology, Vascular & Interventional Radiology providers in Germantown
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