Kenneth Klein, MD
Radiation Oncology Physician · Eau Claire, WI
Kenneth Klein, MD is a radiation oncology physician with a practice address in Eau Claire, Wisconsin, and NPI 1891736963, issued on Jun 9, 2006. Check the license (Wisconsin 17860, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kenneth Klein
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 17860 WI
Self-reported in NPPES; status is on the state search - Practice location
- 900 W Clairemont Ave, Eau Claire, WI 54701
- Phone
- (715) 717-4121
- Enumerated
- Jun 9, 2006
- Record last updated
- May 9, 2024
- Medicaid ID
- 30116700 WI
- Medicare enrollment
- Enrolled (PECOS I20201203000485); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1969
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 153 in Wisconsin → Look up another NPI →
Also registered at 900 W Clairemont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaimee Anders, CSFA, CSA, CSTSurgical Assistant1932618295
- Jessica Armstrong, NPNurse Practitioner1619291747
- David Bardsley, M.D.Emergency Medicine Physician1386693711
- Gina BiermanPhysician Assistant1679271860
- Rebecca Blanchette, PTPhysical Therapist1487216024
- Dennis Breen, MDFamily Medicine Physician1417986316
Verify Kenneth Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 17860Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average radiation oncology physician in 2024
34 Medicare Part D claims for 11 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $16.48
1 payment: food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 4 group practices
- Baptist Health Medical Group IncElizabethtown, KY
- Johnson Family Center For Cancer CareMuskegon, MI
- Mercy Medical Center-DubuqueDubuque, IA
- Mt. Vernon Radiation Therapy CenterMount Vernon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth Klein among 153 radiation oncology physician records in Wisconsin
Kenneth Klein, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1969 · median 2008 among the 119 with a school on file
- Record last updated2024 · 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
- Michael Fallon, MDEau Claire, WI 547011184623381
- 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 Kenneth Klein, MD's NPI number?
Kenneth Klein, MD's National Provider Identifier (NPI) is 1891736963, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Klein, MD located?
The NPPES record lists a practice address at 900 W Clairemont Ave, Eau Claire, WI, 54701. Phone: (715) 717-4121. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Klein, MD's license?
NPPES lists Wisconsin license number 17860, 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 Kenneth Klein, MD prescribe under Medicare Part D?
In 2024, Kenneth Klein, MD had 34 Medicare Part D claims for 11 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.