Scott Kiwun Yun, M.D.
NPI 1699847046ActiveIndividual· Urology· Whittier, CA
Urology (M.D.) in Whittier, California, trained at University of Virginia School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $767,975 for 4,270 claims, against $167,441 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 8 companies reporting payments in 2025, $577.20 in all, mostly food and beverage.
Overview
| NPI | 1699847046 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 14, 2006 |
| Last updated in NPPES | Mar 26, 2020 |
| Certified by provider | Mar 26, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | G65131 | CA |
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 - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 603 |
|---|---|
| Services billed | 2,546 across 66 procedure codes |
| Paid by Medicare | $167,441 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,270 · 10,226 30-day fills |
|---|---|
| Patients | 1,143 |
| Total drug cost | $767,975 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Urology |
Medical group
- Pih Health PhysiciansSanta Fe Springs, CA · 622 clinicians
Hospital affiliations
- Pih Health Downey HospitalDowney, CA
- Pih Health Hospital-WhittierWhittier, CA
Other facilities
- Presbyterian Intercommunity Hospital Home HealthHome health agency · La Mirada, CA
Industry payments (Open Payments)
- 2025$577.20 · 24 payments from 8 companies
- 2024$427.32 · 16 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $238.85 | 11 |
| Abbvie Inc. | $145.70 | 5 |
| Ferring Pharmaceuticals Inc. | $58.30 | 2 |
| Pfizer Inc. | $46.51 | 2 |
| Boston Scientific Corporation | $26.10 | 1 |
What the 2025 payments were for
- Food and Beverage$577.20 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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