DR. SEAN SUNGHUN PARK (M.D. PH.D.) – Radiation Oncology Physician, NPI 1447464078
Radiation Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
186 RADIATION ONCOLOGY in WI
Provider Addresses for DR. SEAN SUNGHUN PARK (M.D. PH.D.)
1400 Bellinger St
Eau Claire, WI 547039943
Phone: (715) 838-5222
Type: Location
PO BOX 860912
MINNEAPOLIS, MN 554860912
Phone: (507) 284-2511
Type: Mailing
1st Street Southwest, Rochester, Olmsted County, Minnesota, 55903, United States
ROCHESTER, MN 559050001
Phone: (507) 284-2511
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $2,162.
Total Amount is formed as General ($2,162) + Research ($0) + Ownership ($0) = $2,162.
Last reported payment date: 2023-09-20 • Largest payer in this snapshot: Siemens Medical Solutions USA, Inc. ($2,000).
Total Amount
$2,162
General + Research + Ownership
Payments
4
Total payment records
General Amount
$2,162
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-09-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Siemens Medical Solutions USA, Inc. | $2,000 |
| Ethicon US, LLC | $103 |
| COLOPLAST CORP | $59 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2014-04-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110810000452 | I | Radiation Oncology | MN | TBD |
| I20140401001750 | I | Radiation Oncology | WI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 303 | 72 | $0 |
| 77300 | Calculation of radiation therapy dose | 241 | 60 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 147 | 57 | $0 |
| 77263 | Complex radiation therapy planning | 71 | 67 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 70 | 39 | $0 |
Insurance plans in this area (ZIP 54703)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | MN | 77427 | Radiation treatment management, 5 treatments | 21 | 15 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WA | |
| Psychiatry, Addiction Medicine | MN | |
| - | MN | |
| - | MN | |
| - | MN | |
| - | MN | |
| O P H T H A L M O L O G Y | MN | |
| - | MN | |
| - | MN | |
| - | MN |
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