Vu Hoang Nguyen, D.O.
Family Medicine (D.O.) in San Jose, California, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $769,091 for 14,819 claims, against $44,297 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $167.47 in all, mostly food and beverage. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1225063290 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A7979 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Vu Nguyen · Employee | 1128a1 | Oct 20, 2009 | Santa Ana, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 160 |
|---|---|
| Services billed | 550 across 13 procedure codes |
| Paid by Medicare | $44,297 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14,819 · 34,241 30-day fills |
|---|---|
| Patients | 847 |
| Total drug cost | $769,091 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Family Practice |
Medical group
- Hai Hoang Nguyen MD IncSan Jose, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$167.47 · 8 payments from 2 companies
- 2024$360.24 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $89.37 | 5 |
| Lilly USA, LLC | $78.10 | 3 |
What the 2025 payments were for
- Food and Beverage$167.47 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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