LEON B MCNEALY (MD) – Radiation Oncology Physician, NPI 1447294673
Radiation Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
186 RADIATION ONCOLOGY in WI
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Provider Addresses for LEON B MCNEALY (MD)
Marshfield Clinic Marshfield Center, 1000, North Oak Avenue, Marshfield, Wood County, Wisconsin, 54449, United States
MARSHFIELD, WI 544495703
Phone: (715) 387-5511
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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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: 2008-08-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20080821000475 | 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 |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 931 | 57 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 272 | 68 | $0 |
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 152 | 24 | $0 |
| 77300 | Calculation of radiation therapy dose | 114 | 40 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 93 | 44 | $0 |
Insurance plans in this area (ZIP 54449)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | WI | 77427 | Radiation treatment management, 5 treatments | 48 | 25 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| N E U R O L O G Y | NY | |
| Nurse Practitioner | WI | |
| Interventional Radiology, Diagnostic Radiology | WI | |
| - | WI | |
| P S Y C H I A T R Y | IL | |
| - | MI | |
| Internal Medicine | WI | |
| Nurse Practitioner | IL | |
| Cardiovascular Disease (Cardiology) | IL |
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