Lok Yun Louise Sin, ARNP
NPI 1083209514ActiveIndividual· Nurse Practitioner· Renton, WA
Nurse Practitioner (ARNP) with Valley Medical Group-Renton, practicing in Renton, Washington. Part D covered 1,282 prescriptions written in 2024, 70% of them generic. Janssen Biotech, Inc. was the largest of 23 companies reporting payments in 2025, $3,792 in all, mostly food and beverage. Lists Valley Medical Center as a hospital affiliation.
Overview
| NPI | 1083209514 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Mar 5, 2021 |
| Last updated in NPPES | Oct 31, 2025 |
| Certified by provider | Oct 31, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | AP61164250 | WA |
| Nurse Practitioner, Acute Care | 363LA2100X | AP61164250 | WA |
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 (CA); Practitioner - Nurse Practitioner (MD); Practitioner - Nurse Practitioner (WA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,282 · 1,757 30-day fills |
|---|---|
| Patients | 270 |
| Total drug cost | $4,244,299 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Valley Medical Group-RentonCovington, WA · 411 clinicians
Hospital affiliation
- Valley Medical CenterRenton, WA
Industry payments (Open Payments)
- 2025$3,792 · 80 payments from 23 companies
- 2024$10,979 · 357 payments from 48 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $764.31 | 11 |
| Astellas Pharma US Inc | $487.58 | 14 |
| Astrazeneca Pharmaceuticals LP | $430.73 | 12 |
| Daiichi Sankyo Inc. | $409.14 | 6 |
| Abbvie Inc. | $317.97 | 11 |
What the 2025 payments were for
- Food and Beverage$3,389 · 75 payments
- Education$402.92 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 nurse practitioners in Renton · All nurse practitioners in Washington