Won S. Song, M.D.
NPI 1144201930ActiveIndividual· Radiology, Diagnostic Radiology· Eau Claire, WI
Radiology, Diagnostic Radiology (M.D.) with Mayo Clinic Health System-Northwest Wisconsin Region Inc and 1 other group, practicing in Eau Claire, Wisconsin. Medicare paid $127,514 for services to 2,575 patients in 2024. Siemens Medical Solutions USA, Inc. reported $28.77 in payments in 2025, mostly food and beverage. Lists Mayo Clinic Health System Chippewa Valley and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1144201930 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 8, 2005 |
| Last updated in NPPES | May 26, 2022 |
| Certified by provider | May 26, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 65674 | WI |
| Radiology, Diagnostic Radiology | 2085R0202X | 65674-20 | WI |
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 - Diagnostic Radiology (MN); Practitioner - Diagnostic Radiology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,575 |
|---|---|
| Services billed | 4,260 across 153 procedure codes |
| Paid by Medicare | $127,514 |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Diagnostic Radiology |
| Secondary specialties | Nuclear Medicine |
Medical groups
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 clinicians
- Mayo Clinic Health System-Southwest Minnesota RegionMankato, MN · 661 clinicians
Hospital affiliations
- Mayo Clinic Health System Chippewa ValleyBloomer, WI
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI
- Mayo Clinic Health System OakridgeOsseo, WI
- Mayo Clinic Health System-NorthlandBarron, WI
- Mayo Clinic Health System-Red Cedar IncMenomonie, WI
Industry payments (Open Payments)
- 2025$28.77 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $28.77 | 1 |
What the 2025 payments were for
- Food and Beverage$28.77 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other diagnostic radiologists in Eau Claire
- 1609336254
- 1104899822
- 1306892161
- 1366975666
- 1477524098
- 1821295635
- 1972642916
- 1871116509
- 1003868811
- 1104872092
- 1104907286
- 1114157369
All 37 diagnostic radiologists in Eau Claire · All diagnostic radiologists in Wisconsin