Loan Duong, PA-C
NPI 1952858300ActiveIndividual· Physician Assistant· Gresham, OR
Physician Assistant (PA-C) with Legacy Clinics LLC, practicing in Gresham, Oregon. Their prescriptions cost Medicare Part D more than their services did: $260,402 for 924 claims, against $34,927 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 2 companies reporting payments in 2025, $42.95 in all, mostly food and beverage. Lists Legacy Meridian Park Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1952858300 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 1, 2016 |
| Last updated in NPPES | Mar 20, 2024 |
| Certified by provider | Mar 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA179171 | OR |
| Physician Assistant, Medical | 363AM0700X | PA179171 | OR |
| Physician Assistant, Medical | 363AM0700X | 60687602 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 265 |
|---|---|
| Services billed | 551 across 21 procedure codes |
| Paid by Medicare | $34,927 |
Part D prescriptions in 2024
| Prescriptions (claims) | 924 · 1,402 30-day fills |
|---|---|
| Patients | 172 |
| Total drug cost | $260,402 |
| Generic share | 50% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Legacy Clinics LLCPortland, OR · 713 clinicians
Hospital affiliations
- Legacy Meridian Park Medical CenterTualatin, OR
- Legacy Mount Hood Medical CenterGresham, OR
Industry payments (Open Payments)
- 2025$42.95 · 2 payments from 2 companies
- 2024$75.41 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $21.99 | 1 |
| Astrazeneca Pharmaceuticals LP | $20.96 | 1 |
What the 2025 payments were for
- Food and Beverage$42.95 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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