DR. MICHAEL JOSEPH FALLON (MD) – Radiation Oncology Physician, NPI 1184623381
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. MICHAEL JOSEPH FALLON (MD)
1000 N OAK AVENUE
MARSHFIELD, WI 544494038
Phone: (715) 387-5511
Type: Mailing
2200 CRAIG RD
EAU CLAIRE, WI 547012699
Phone: (715) 858-8100
Type: Location
1025, Maine Street, Quincy, Adams County, Illinois, 62301, United States
QUINCY, IL 623014038
Phone: (217) 222-6550
Type: Mailing
3301, Broadway Street, Quincy Commons, Quincy, Adams County, Illinois, 62301, United States
QUINCY, IL 623013713
Phone: (217) 277-4070
Type: Location
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.
This can happen when there are no reportable CMS Open Payments records.
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: 2023-04-14
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 |
|---|---|---|---|---|
| I20041221000823 | I | Radiation Oncology | NY | TBD |
| I20230414000646 | 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 | 838 | 48 | $0 |
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 320 | 15 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 280 | 69 | $0 |
| 77300 | Calculation of radiation therapy dose | 265 | 57 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 222 | 57 | $0 |
Insurance plans in this area (ZIP 54449)
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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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