Lan Ngoc Nguyen, FNP/APRN
NPI 1326472002ActiveIndividual· Family Medicine· Fort Smith, AR
Family Medicine (FNP/APRN) with Mercy Clinic Fort Smith Communities, practicing in Fort Smith, Arkansas. Their prescriptions cost Medicare Part D more than their services did: $1,748,946 for 5,009 claims, against $45,222 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $2,376 in all, mostly food and beverage. Lists Mercy Hospital Fort Smith as a hospital affiliation.
Overview
| NPI | 1326472002 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP/APRN |
| Sole proprietor | No |
| NPI issued | Aug 29, 2013 |
| Last updated in NPPES | Dec 16, 2024 |
| Certified by provider | Dec 16, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A006245 | AR |
| Clinical Nurse Specialist, Pediatrics | 364SP0200X | 5463 | CT |
| Nurse Practitioner | 363L00000X | 5463 | CT |
| Nurse Practitioner, Family | 363LF0000X | 005463 | CT |
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 - Nurse Practitioner (AR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 327 |
|---|---|
| Services billed | 1,139 across 46 procedure codes |
| Paid by Medicare | $45,222 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,009 · 7,442 30-day fills |
|---|---|
| Patients | 572 |
| Total drug cost | $1,748,946 |
| Generic share | 59% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Mercy Clinic Fort Smith CommunitiesFort Smith, AR · 372 clinicians
Hospital affiliation
- Mercy Hospital Fort SmithFort Smith, AR
Industry payments (Open Payments)
- 2025$2,376 · 128 payments from 17 companies
- 2024$1,464 · 87 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $543.16 | 29 |
| Viatris Specialty LLC | $288.72 | 15 |
| Glaxosmithkline, LLC. | $276.61 | 22 |
| Takeda Pharmaceuticals U.S.A., Inc. | $196.95 | 9 |
| Grifols USA, LLC | $175.28 | 7 |
What the 2025 payments were for
- Food and Beverage$2,297 · 127 payments
- Education$78.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 139 family medicine physicians in Fort Smith · All family medicine physicians in Arkansas