NPPES file of Aug 9, 2026

Zachary Charles Wilson, M.D.

Radiation Oncology Physician · Eau Claire, WI

Zachary Charles Wilson, M.D. is a radiation oncology physician with a practice address in Eau Claire, Wisconsin, and NPI 1265669980, issued on Jun 20, 2009. Check the license (Wisconsin 57317, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265669980
Name
Zachary Charles Wilson
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
57317 WI
105028 MN
53516 MN
RS2009-0303 NM
Self-reported in NPPES; status is on the state search
Practice location
1221 Whipple St, Eau Claire, WI 54703
Phone
(715) 838-5222
Enumerated
Jun 20, 2009
Record last updated
Jun 28, 2024
Medicare enrollment
Enrolled (PECOS I20100916001380); accepts Medicare assignment
Medical or professional school
University Of New Mexico School Of Medicine, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1221 Whipple St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Justine Abel, DOEmergency Medicine Physician1861830507
  2. Andera Anderson, RPHPharmacist1598213761
  3. Andrea Anderson, CRNACertified Registered Nurse Anesthetist1033101894
  4. Charlene Anderson, APNPNurse Practitioner1194057752
  5. Gwen Anderson, CRNACertified Registered Nurse Anesthetist1316103369
  6. Hailee Anderson, CRNACertified Registered Nurse Anesthetist1598453425

Verify Zachary Charles Wilson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 57317    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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69% fewer Medicare Part D claims than the average radiation oncology physician in 2024

42 Medicare Part D claims for 21 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.

  1. Zachary Wilson42
  2. Specialty average134

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 one group practice

  1. Allina Health SystemSaint Paul, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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 →

Other radiation oncology physician records in Wisconsin

  1. Now Bahar Alam, MDEau Claire, WI1508363532
  2. Bethany Anderson, M.D.Madison, WI1629001417
  3. Richard Auchter, MDMadison, WI1366404329
  4. Musaddiq Awan, M.D.Milwaukee, WI1205279957
  5. James Baer, MDEau Claire, WI1275531493
  6. Patricia Barrett, MDMadison, WI1184690836
  7. Darryl BartonWausau, WI1609822774
  8. Andrew BaschnagelMadison, WI1578793048
  9. Michael BassettiMadison, WI1639332158
  10. Kenneth Bastin, MDMilwaukee, WI1457393431

Common questions

What is Zachary Charles Wilson, M.D.'s NPI number?

Zachary Charles Wilson, M.D.'s National Provider Identifier (NPI) is 1265669980, issued on Jun 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Charles Wilson, M.D. located?

The NPPES record lists a practice address at 1221 Whipple St, Eau Claire, WI, 54703. Phone: (715) 838-5222. Providers update this record themselves, so call before visiting.

How can I verify Zachary Charles Wilson, M.D.'s license?

NPPES lists Wisconsin license number 57317, 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 Zachary Charles Wilson, M.D. prescribe under Medicare Part D?

In 2024, Zachary Charles Wilson, M.D. had 42 Medicare Part D claims for 21 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.