Chau Nguyen, MD
NPI 1467424564ActiveIndividual· Internal Medicine· Kissimmee, FL
Internal Medicine (MD) in Kissimmee, Florida, trained at University of Toledo College of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $1,518,097 for 17,996 claims, against $145,569 paid for services in 2024. Novo Nordisk Inc was the largest of 17 companies reporting payments in 2025, $1,533 in all, mostly food and beverage.
Overview
| NPI | 1467424564 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 2, 2006 |
| Last updated in NPPES | Aug 25, 2026 |
| Certified by provider | Aug 25, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME65090 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 518 |
|---|---|
| Services billed | 2,634 across 31 procedure codes |
| Paid by Medicare | $145,569 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17,996 · 41,393 30-day fills |
|---|---|
| Patients | 888 |
| Total drug cost | $1,518,097 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of Toledo College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Internal Medicine |
Medical groups
- Legacy Healthcare Services IncGreenville, SC · 3,223 clinicians
- Watson Clinic LLPLakeland, FL · 388 clinicians
Hospital affiliation
- Lakeland Regional Medical CenterLakeland, FL
Other facilities
- Amedisys Home HealthHome health agency · Winter Haven, FL
- Baycare Home Care IncHome health agency · Lakeland, FL
- Enhabit Home HealthHome health agency · Lakeland, FL
- Medical Services of America Home HealthHome health agency · Tampa, FL
- Pinnacle Home CareHome health agency · Winter Haven, FL
Industry payments (Open Payments)
- 2025$1,533 · 81 payments from 17 companies
- 2024$2,045 · 107 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $329.33 | 17 |
| Pfizer Inc. | $198.53 | 8 |
| Amgen Inc. | $150.68 | 13 |
| Lilly USA, LLC | $142.67 | 6 |
| Astrazeneca Pharmaceuticals LP | $139.52 | 8 |
What the 2025 payments were for
- Food and Beverage$1,533 · 81 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 121 internal medicine physicians in Kissimmee · All internal medicine physicians in Florida