Luke Whan Yoon, M.D.
NPI 1114007747ActiveIndividual· Specialist· Los Angeles, CA
Specialist (M.D.) in Los Angeles, California, trained at Hahnemann University College of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $1,756,851 for 11,895 claims, against $300,253 paid for services in 2024. Olympus America Inc. was the largest of 10 companies reporting payments in 2025, $2,686 in all, mostly debt forgiveness.
Overview
| NPI | 1114007747 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 17, 2006 |
| Last updated in NPPES | Mar 16, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | G083776 | CA |
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 - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 762 |
|---|---|
| Services billed | 37,727 across 35 procedure codes |
| Paid by Medicare | $300,253 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,895 · 21,403 30-day fills |
|---|---|
| Patients | 1,808 |
| Total drug cost | $1,756,851 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Urology |
| Secondary specialties | General Surgery |
Hospital affiliation
- Pih Health Good Samaritan HospitalLos Angeles, CA
Other facilities
- Western Home Care, IncHome health agency · Buena Park, CA
Industry payments (Open Payments)
- 2025$2,686 · 34 payments from 10 companies
- 2024$180.11 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus America Inc. | $1,927 | 1 |
| Pfizer Inc. | $246.88 | 13 |
| Bayer Healthcare Pharmaceuticals Inc. | $127.18 | 6 |
| Janssen Biotech, Inc. | $86.19 | 3 |
| Sumitomo Pharma America, Inc. | $85.37 | 3 |
What the 2025 payments were for
- Debt forgiveness$1,927 · 1 payment
- Food and Beverage$758.39 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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