Ji Won Yoo, M.D.
NPI 1285804674ActiveIndividual· Internal Medicine, Geriatric Medicine· Las Vegas, NV
Internal Medicine, Geriatric Medicine (M.D.) with Unlv Medicine, practicing in Las Vegas, Nevada. 200 Medicare patients in 2024, $41,997 paid; nearly all of their 903 Part D prescriptions were generic (94%). Lilly USA, LLC reported $24.28 in payments in 2025, mostly food and beverage. Lists University Medical Center as a hospital affiliation.
Overview
| NPI | 1285804674 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 3, 2008 |
| Last updated in NPPES | Dec 15, 2020 |
| Certified by provider | Dec 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | 15975 | NV |
| Internal Medicine | 207R00000X | 15975 | NV |
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 - Internal Medicine (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 549 across 25 procedure codes |
| Paid by Medicare | $41,997 |
Part D prescriptions in 2024
| Prescriptions (claims) | 903 · 2,219 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $30,652 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Unlv MedicineLas Vegas, NV · 177 clinicians
Hospital affiliation
- University Medical CenterLas Vegas, NV
Industry payments (Open Payments)
- 2025$24.28 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $24.28 | 1 |
What the 2025 payments were for
- Food and Beverage$24.28 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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