Leon B. McNealy, MD
Radiation Oncology Physician · Marshfield, WI
Leon B. McNealy, MD is a radiation oncology physician with a practice address in Marshfield, Wisconsin, and NPI 1447294673, issued on Jun 16, 2006. Check the license (Wisconsin 51593, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Leon B. McNealy
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- 51593 WI
01061165A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Oak Ave, Marshfield, WI 54449
- Phone
- (715) 387-5511
- Enumerated
- Jun 16, 2006
- Record last updated
- Nov 17, 2022
- Medicaid IDs
- 200822990 IN
35131700 WI - Medicare enrollment
- Enrolled (PECOS I20080821000475); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 153 in Wisconsin → Look up another NPI →
Also registered at 1000 N Oak Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheetal Aatrai, MDInternal Medicine Physician1417568965
- Sukaina AbbasPediatrics Physician1407529191
- Chady Abboud Leon, M.D.Hematology & Oncology Physician1770737744
- Ihab Abdalrahman, MDHospitalist Physician1497855134
- Raquel Abengozar Mingorance, MDStudent in an Organized Health Care Education/Training Program1609437755
- Aanuoluwa Abiola, M.DGeriatric Medicine (Internal Medicine) Physician1598117574
Verify Leon B. McNealy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 51593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average radiation oncology physician in 2024
15 Medicare Part D claims, 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
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).
Leon B. McNealy among 153 radiation oncology physician records in Wisconsin
Leon B. McNealy, 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
- Graduated1979 · median 2008 among the 119 with a school on file
- Record last updated2022 · 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 Marshfield → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Anderson Bauer, M.D.Marshfield, WI 544491043422207
- Jason Duelge, MDMarshfield, WI 544491326032509
- Warren Olds, MDMarshfield, WI 544491326146606
- Bevan Ly, MDWeston, WI 544761730405143
- Robert Kohl, DOStevens Point, WI 544821689628901
- Darryl BartonWausau, WI 544011609822774
- Anna Brown, M.D.Wausau, WI 544011972966125
- Andrew Huang, M.D.Wausau, WI 544011679957526
Common questions
What is Leon B. McNealy, MD's NPI number?
Leon B. McNealy, MD's National Provider Identifier (NPI) is 1447294673, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leon B. McNealy, MD located?
The NPPES record lists a practice address at 1000 N Oak Ave, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.
How can I verify Leon B. McNealy, MD's license?
NPPES lists Wisconsin license number 51593, 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 Leon B. McNealy, MD prescribe under Medicare Part D?
In 2024, Leon B. McNealy, MD had 15 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Leon B. McNealy, MD's MIPS final score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.