Viet-Nhan Hoang Nguyen, D.O.
NPI 1902997646ActiveIndividual· Internal Medicine, Gastroenterology· Raleigh, NC
Internal Medicine, Gastroenterology (D.O.) in Raleigh, North Carolina, trained at Philadelphia College of Osteopathic Medicine (class of 1999). In 2024 Medicare paid $98,592 for 401 patients, and Part D covered 156 of their prescriptions, 87% of them generic. Enterra Medical, Inc. reported $19.52 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1902997646 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Sep 27, 2006 |
| Last updated in NPPES | Mar 11, 2021 |
| Certified by provider | Mar 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 2019-02450 | NC |
| Internal Medicine, Gastroenterology | 207RG0100X | 316 | NE |
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 - Gastroenterology (NC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 401 |
|---|---|
| Services billed | 993 across 88 procedure codes |
| Paid by Medicare | $98,592 |
Part D prescriptions in 2024
| Prescriptions (claims) | 156 · 196 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $7,648 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
Medical groups
- Novant Health Medical Group Coastal Region LLCLeland, NC · 599 clinicians
- Fhpg LLCPinehurst, NC · 201 clinicians
- Pinehurst Medical Clinic IncWest End, NC · 165 clinicians
Hospital affiliations
- Firsthealth Montgomery Memorial HospTroy, NC
- Firsthealth Moore Regional HospitalPinehurst, NC
- Novant Health New Hanover Regional Medical CenterWilmington, NC
Industry payments (Open Payments)
- 2025$19.52 · 1 payment from 1 company
- 2024$1,636 · 13 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Enterra Medical, Inc. | $19.52 | 1 |
What the 2025 payments were for
- Food and Beverage$19.52 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 79 gastroenterologists in Raleigh · All gastroenterologists in North Carolina