An Thuy Hong Nguyen, PA-C
NPI 1134899818ActiveIndividual· Physician Assistant· Saint Louis, MO
Physician Assistant (PA-C) in Saint Louis, Missouri, trained at University of Texas Medical Branch at Galveston (class of 2021). Mostly services rather than prescriptions: Medicare paid $2,377 for 25 patients in 2024, with only 22 Part D claims. Smith+nephew, Inc. was the largest of 3 companies reporting payments in 2025, $76.81 in all, mostly food and beverage.
Overview
| NPI | 1134899818 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 15, 2021 |
| Last updated in NPPES | Aug 5, 2026 |
| Certified by provider | Aug 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2022038139 | MO |
| Physician Assistant | 363A00000X | 085008595 | IL |
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 - Physician Assistant (IL); Practitioner - Physician Assistant (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 28 across 14 procedure codes |
| Paid by Medicare | $2,377 |
Part D prescriptions in 2024
| Prescriptions (claims) | 22 · 22 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $127.96 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Physician Assistant |
Medical groups
- Mercy Clinic Trauma and General Surgery LLCSaint Louis, MO · 43 clinicians
- Vituity - Illinois Auc LLPO Fallon, IL · 36 clinicians
Hospital affiliations
- Hshs St Elizabeth's HospitalO Fallon, IL
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2025$76.81 · 3 payments from 3 companies
- 2024$40.28 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $34.50 | 1 |
| Davol Inc. | $21.45 | 1 |
| Integra Lifesciences Corporation | $20.86 | 1 |
What the 2025 payments were for
- Food and Beverage$76.81 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 512 physician assistants in Saint Louis · All physician assistants in Missouri