Samuel Huisok Yun, M.D.
NPI 1790071694ActiveIndividual· Ophthalmology, Retina Specialist· Fairfax, VA
Ophthalmology, Retina Specialist (M.D.) in Fairfax, Virginia, trained at University of Virginia School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $896,301 for 2,805 claims, against $292,094 paid for services in 2024. Alcon Vision LLC reported $31.62 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1790071694 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2011 |
| Last updated in NPPES | Feb 23, 2026 |
| Certified by provider | Feb 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | 0101261451 | VA |
| Ophthalmology | 207W00000X | 0101261451 | VA |
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 - Ophthalmology (DC); Practitioner - Ophthalmology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 633 |
|---|---|
| Services billed | 3,550 across 37 procedure codes |
| Paid by Medicare | $292,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,805 · 5,054 30-day fills |
|---|---|
| Patients | 752 |
| Total drug cost | $896,301 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$31.62 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $31.62 | 1 |
What the 2025 payments were for
- Food and Beverage$31.62 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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