Hao D. Nguyen, DO
NPI 1962441998ActiveIndividual· Internal Medicine· Livonia, MI
Internal Medicine (DO) in Livonia, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $577,212 for 5,334 claims, against $13,209 paid for services in 2024. Fresenius Kabi USA, LLC reported $25.44 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1962441998 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Sep 27, 2024 |
| Certified by provider | Sep 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 5101015612 | MI |
| Emergency Medicine | 207P00000X | 5101015612 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 116 |
|---|---|
| Services billed | 180 across 10 procedure codes |
| Paid by Medicare | $13,209 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,334 · 9,409 30-day fills |
|---|---|
| Patients | 306 |
| Total drug cost | $577,212 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
Medical group
- Caberfae Emergency Group PCManistee, MI · 41 clinicians
Hospital affiliations
- Corewell Health Wayne HospitalWayne, MI
- Garden City HospitalGarden City, MI
- Munson Healthcare Manistee HospitalManistee, MI
Industry payments (Open Payments)
- 2025$25.44 · 1 payment from 1 company
- 2024$33.39 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius Kabi USA, LLC | $25.44 | 1 |
What the 2025 payments were for
- Food and Beverage$25.44 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 169 internal medicine physicians in Livonia · All internal medicine physicians in Michigan