Michael Joseph Fallon, MD
Radiation Oncology Physician · Eau Claire, WI
Michael Joseph Fallon, MD is a radiation oncology physician with a practice address in Eau Claire, Wisconsin, and NPI 1184623381, issued on Jul 19, 2005. Check the license (Wisconsin 38962, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael Joseph Fallon
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 38962 WI
036153253 IL
197667 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2200 Craig RD, Eau Claire, WI 54701
- Phone
- (715) 858-8100
- Enumerated
- Jul 19, 2005
- Record last updated
- Apr 20, 2023
- Medicaid ID
- 02164501 NY
- Medicare enrollment
- Enrolled (PECOS I20230414000646); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 153 in Wisconsin → Look up another NPI →
Also registered at 2200 Craig RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Dahlberg, APNPNurse Practitioner1841795010
- Taylor Effertz, NPNurse Practitioner1962136580
- Atif Khan, M.DHematology & Oncology Physician1326303793
- Kira Musial, PAPhysician Assistant1912499179
- William ParsonsNurse Practitioner1861964934
- Anna Smugala, APNPGerontology Nurse Practitioner1528790276
Verify Michael Joseph Fallon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 38962Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average radiation oncology physician in 2024
57 Medicare Part D claims for 32 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Lakeview Medical Center Inc OF Rice LakeRice Lake, WI
- Mchs Hospitals IncMarshfield, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Joseph Fallon among 153 radiation oncology physician records in Wisconsin
Michael Joseph Fallon, MD is one of 153 radiation oncology physician records with a practice address in Wisconsin. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1993 · median 2008 among the 119 with a school on file
- Record last updated2023 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Wisconsin
There are 153 radiation oncology physician records in Wisconsin.
All 153 in Wisconsin → Every provider in Eau Claire → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Kenneth Klein, MDEau Claire, WI 547011891736963
- Now Bahar Alam, MDEau Claire, WI 547031508363532
- James Baer, MDEau Claire, WI 547031275531493
- Zachary Wilson, M.D.Eau Claire, WI 547031265669980
- Mark Steinmetz, M.D.Chippewa Falls, WI 547291598705261
- Patrick Conway, MDLa Crosse, WI 546011841295102
- Marcus Crosby, M.D.La Crosse, WI 546011689803579
- Collin Driscoll, M.D.La Crosse, WI 546011538254925
Common questions
What is Michael Joseph Fallon, MD's NPI number?
Michael Joseph Fallon, MD's National Provider Identifier (NPI) is 1184623381, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Joseph Fallon, MD located?
The NPPES record lists a practice address at 2200 Craig RD, Eau Claire, WI, 54701. Phone: (715) 858-8100. Providers update this record themselves, so call before visiting.
How can I verify Michael Joseph Fallon, MD's license?
NPPES lists Wisconsin license number 38962, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael Joseph Fallon, MD prescribe under Medicare Part D?
In 2024, Michael Joseph Fallon, MD had 57 Medicare Part D claims for 32 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.