Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Michael Joseph Fallon, MD

Individual provider Specialist · NPI 1184623381

Dr. Michael Joseph Fallon, MD practises Radiation Oncology in Eau Claire, Wisconsin. Qualified in 1993, 33 years ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group and accepts Medicare assignment. Licensed in Illinois, New York and Wisconsin.

Years since qualifying
33
Licensed in
IL, NY, WI
In the registry since
2005
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2200 Craig Rd
Eau Claire, WI 54701-2699
Phone: (715) 858-8100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 38962 (WI)
Specialist Taxonomy 174400000X · Licence 197667 (NY)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 036153253 (IL)

Record details

NPI number1184623381
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2005
Last updated in NPPESApril 20, 2023
Certification dateApril 13, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice McHs Hospitals Inc — 1194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients107
Services billed 1,534 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Marshfield Medical Center - Rice Lake Hospital · Rice Lake, WI · listed as Lakeview Medical Center Inc of Rice Lake
  • St Croix Regional Medical Center Hospital · Saint Croix Falls, WI
  • Marshfield Medical Center Hospital · Marshfield, WI
  • Marshfield Medical Center - Eau Claire Hospital · Eau Claire, WI
  • Mayo Clinic Health System Eau Claire Hospital Hospital · Eau Claire, WI

Colleagues at Mchs Hospitals Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1194 clinicians in the practice; 12 are shown here.

Other providers in Eau Claire