Walter Hyunmin Choi, M.D.
NPI 1871700500ActiveIndividual· Radiology, Radiation Oncology· Flushing, NY
Radiology, Radiation Oncology (M.D.) in Flushing, New York, trained at State University of New York Downstate Medical Center (class of 2001). 112 Medicare patients in 2024, $318,485 paid; nearly all of their 89 Part D prescriptions were generic (94%). Teleflex LLC reported $22.66 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1871700500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 16, 2007 |
| Last updated in NPPES | Dec 13, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 230850-1 | NY |
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 - Radiation Oncology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 112 |
|---|---|
| Services billed | 1,393 across 42 procedure codes |
| Paid by Medicare | $318,485 |
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 129 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $989.19 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Radiation Oncology |
Medical group
- North Shore Hematology Oncology Associates PCPort Jefferson Station, NY · 479 clinicians
Industry payments (Open Payments)
- 2025$22.66 · 1 payment from 1 company
- 2024$194.70 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teleflex LLC | $22.66 | 1 |
What the 2025 payments were for
- Food and Beverage$22.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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