DR. MICHAEL JOSEPH FALLON MD
NPI 1184623381
Radiology - Radiation Oncology in Eau Claire, WI
About Dr. Michael Joseph Fallon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL JOSEPH FALLON MD (NPI 1184623381) is an individual radiation oncology provider in Eau Claire, Wisconsin, licensed in Wisconsin (38962) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Rice Lake, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Michael Joseph Fallon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Michael Fallon reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,440 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Park Falls, WI 54552
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700963048 (Wisconsin)
- 1,351 clinicians in this Medicare group
Columbus, WI 53925
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Beaver Dam Community Hospitals Inc.
- 1,447 clinicians in this Medicare group
Corning, NY 14830
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Guthrie Medical Group PC
- 798 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 12
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Marshfield Medical Center - Rice Lake
Acute Care Hospitals · Rice Lake, WIMarshfield Medical Center
Acute Care Hospitals · Marshfield, WIMarshfield Medical Center - Eau Claire
Acute Care Hospitals · Eau Claire, WIMarshfield Medical Center - Ladysmith
Critical Access Hospitals · Ladysmith, WISt Croix Regional Medical Center
Critical Access Hospitals · Saint Croix Falls, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EAU CLAIRE, WI 54701
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Fallon's NPI number?
The NPI number for Michael Fallon is 1184623381. It was assigned to this individual provider in the NPPES registry on July 19, 2005.
Where is Michael Fallon located?
Michael Fallon practices at 2200 Craig Rd, Eau Claire, WI 54701. The listed phone number is (715) 858-8100.
What is Michael Fallon's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Michael Fallon enrolled in Medicare?
Yes. Michael Fallon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Michael Fallon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Fallon reassigns Medicare benefits to 7 organizations: Mchs Hospitals Inc (Eau Claire, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI), Memorial Hospital Inc (Neillsville, WI), Marshfield Clinic Inc (Marshfield, WI), Flambeau Hospital Inc (Park Falls, WI) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Fallon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Fallon accept?
Health plans from Anthem Blue Cross and Blue Shield and Sanford Health Plan list Michael Fallon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michael Fallon affiliated with any hospitals?
According to CMS data, Michael Fallon is affiliated with Marshfield Medical Center - Rice Lake, Marshfield Medical Center, Marshfield Medical Center - Eau Claire, Marshfield Medical Center - Ladysmith and St Croix Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Fallon was last updated on April 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.