Michael J. Katsnelson, M.D.
Neurology · Marshfield, WI
At a glance
1000 N Oak Avenue, Marshfield, WI 54449-5703
NPPES record updated Apr 29, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1000 N Oak AvenueMarshfield, WI 54449-5703
Additional reported practice locations
71 Haynes StManchester, CT 060404131
Phone: 8606461222 3 Hospital Dr Ste 206
Lewisburg, PA 178379394
Phone: 5705229771
Fax: 5705229772 8000 Towers Crescent Dr
Ste 1350
Vienna, VA 221826207
Phone: 8664501918
Education & affiliations
- Medical / professional school
- Drexel University College Of Medicine
- Graduation year
- 2005
- CMS specialties
- Neurology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
- Baptist Memorial Medical Group, Inc.
- East Post Road Medical Services Pc
- Evangelical Medical Services Organization
- Hartford Healthcare Medical Group Specialists Pllc
- Mchs Hospitals Inc
- Northeast Arkansas Clinic Charitable Foundation, Inc.
- Practice Associates Medical Group
- Prospect Ct Medical Foundation Inc
- Wellspan Medical Group
Reported hospital affiliations
- Baptist Memorial Hospital Desoto Southaven, MS
- Baptist Memorial Hospital Jonesboro, Inc. Jonesboro, AR
- Baptist Memorial Hospital North Ms Oxford, MS
- Baptist Memorial Hospital Union City Union City, TN
- Marshfield Medical Center Marshfield, WI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Neurology
- Taxonomy code
- 2084N0400X
- Enumeration date
- Jul 9, 2008
- Record updated
- Apr 29, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
2084V0102X
License reported: ME107144 FL
2084N0400X
License reported: 63574 CT
2084N0400X · Primary
License reported: 62700 WI
2084N0400X
License reported: E-8511 AR
2084N0400X
License reported: 47044 TN
2084N0400X
License reported: 22263 MS
2084N0400X
License reported: MD435614 PA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1000 N Oak AvenueMarshfield, WI 54449-5703
- Phone
- (715) 387-5511
Mailing address
1000 N OAK AVEMARSHFIELD, WI 544495703
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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