Michael J. Katsnelson, M.D.
Neurology Physician · Marshfield, WI
Michael J. Katsnelson, M.D. is a neurology physician with a practice address in Marshfield, Wisconsin, and NPI 1013170067, issued on Jul 9, 2008. Check the license (Wisconsin 62700, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Michael J. Katsnelson
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 62700 WI
E-8511 AR
63574 CT
ME107144 FL
22263 MS
and 2 more
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Oak Avenue, Marshfield, WI 54449
- Phone
- (715) 387-5511
- Enumerated
- Jul 9, 2008
- Record last updated
- Apr 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20160111002640); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 399 in Wisconsin → Look up another NPI →
Also registered at 1000 N Oak Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katie Beck, SLPSpeech-Language Pathologist1790274900
- Matthew Biller, MDPsychiatry Physician1336600360
- Amy Blake, M.D.Pediatrics Physician1871737668
- Mitchell Felder, MDNeurology Physician1891767042
- Ashley Korchyk, PA-CPhysician Assistant1649780701
- Chris Liakonis, DOThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1437117512
Verify Michael J. Katsnelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 62700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average neurology physician in 2024
22 Medicare Part D claims, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
- Xarelto22 claims
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: $18.98
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 10,858 providers of this specialty with any payment received $8,318.07 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 9 group practices
- Baptist Memorial Medical Group, Inc.Booneville, MS
- Bristol Hospital Multi Specialty Group, Inc.Bristol, CT
- East Post Road Medical Services PCWhite Plains, NY
- Evangelical Medical Services OrganizationLewisburg, PA
- Mchs Hospitals IncMarshfield, WI
- Northeast Arkansas Clinic Charitable Foundation, Inc.Jonesboro, AR
- Practice Associates Medical GroupSummit, NJ
- Prospect CT Medical Foundation IncManchester, CT
- Wellspan Medical GroupLewisburg, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael J. Katsnelson among 399 neurology physician records in Wisconsin
Michael J. Katsnelson, M.D. is one of 399 neurology physician records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 42% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2005 · median 2005 among the 274 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 neurology physician records list a practice address in Marshfield
They are 14 of the 1,360 NPPES records with a practice address in Marshfield, and 399 neurology physician records in Wisconsin.
All 399 in Wisconsin → Every provider in Marshfield → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Jaime Boero, MD PHDMarshfield, WI 544491902822133
- L Campbell, MDMarshfield, WI 544491477587889
- Caryl Dellinger, MDMarshfield, WI 544491588833925
- Mitchell Felder, MDMarshfield, WI 544491891767042
- Percy Karanjia, MDMarshfield, WI 544491104936384
- Monica Koehn, MDMarshfield, WI 544491992811012
- Benjamin Lawler, MDMarshfield, WI 544491629188800
- Kenneth Madden, MD PHDMarshfield, WI 544491366552549
Common questions
What is Michael J. Katsnelson, M.D.'s NPI number?
Michael J. Katsnelson, M.D.'s National Provider Identifier (NPI) is 1013170067, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Katsnelson, M.D. located?
The NPPES record lists a practice address at 1000 N Oak Avenue, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Katsnelson, M.D.'s license?
NPPES lists Wisconsin license number 62700, 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 J. Katsnelson, M.D. prescribe under Medicare Part D?
In 2024, Michael J. Katsnelson, M.D. had 22 Medicare Part D claims; the average among neurology physician prescribers was 1,370. 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.