Gia-Hau Nguyen, D.O.
NPI 1013367523ActiveIndividual· Emergency Medicine· Monroe, MI
Emergency Medicine (D.O.) with Houston County Healthcare Authority, practicing in Monroe, Michigan. 562 Medicare patients in 2024, $62,331 paid; nearly all of their 346 Part D prescriptions were generic (95%). E.R. Squibb & Sons, L.L.C. was the largest of 2 companies reporting payments in 2025, $49.32 in all, mostly food and beverage. Lists Southeast Health Medical Center as a hospital affiliation.
Overview
| NPI | 1013367523 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2016 |
| Last updated in NPPES | Jun 28, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 5101022661 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 562 |
|---|---|
| Services billed | 627 across 22 procedure codes |
| Paid by Medicare | $62,331 |
Part D prescriptions in 2024
| Prescriptions (claims) | 346 · 346 30-day fills |
|---|---|
| Patients | 261 |
| Total drug cost | $4,318 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Houston County Healthcare AuthorityDothan, AL · 253 clinicians
Hospital affiliation
- Southeast Health Medical CenterDothan, AL
Industry payments (Open Payments)
- 2025$49.32 · 3 payments from 2 companies
- 2024$77.51 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $31.00 | 2 |
| Abbvie Inc. | $18.32 | 1 |
What the 2025 payments were for
- Food and Beverage$49.32 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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