James Yoon, MD
NPI 1750735700ActiveIndividual· Internal Medicine, Nephrology· Vancouver, WA
Internal Medicine, Nephrology (MD) in Vancouver, Washington, trained at Loma Linda University School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $101,513 for 1,049 claims, against $7,365 paid for services in 2024.
Overview
| NPI | 1750735700 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 15, 2016 |
| Last updated in NPPES | Mar 4, 2026 |
| Certified by provider | Mar 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD61181685 | WA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Internal Medicine, Nephrology | 207RN0300X | MD204924 | OR |
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 - Nephrology (OR); Practitioner - Nephrology (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 31 |
|---|---|
| Services billed | 77 across 14 procedure codes |
| Paid by Medicare | $7,365 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,049 · 2,602 30-day fills |
|---|---|
| Patients | 229 |
| Total drug cost | $101,513 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Nephrology |
Medical group
- Kaiser Foundation Health Plan of the NorthwestSalem, OR · 1,807 clinicians
Hospital affiliation
- Kaiser Sunnyside Medical CenterClackamas, OR
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 nephrologists in Vancouver · All nephrologists in Washington