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Neurology

Thomas J. Zweifel, MD

Works at hospitals in Sheboygan, WI · Green Bay, WI · Wisconsin

Summary

Dr. Thomas J. Zweifel, MD is a neurologist at 1411 N Taylor Dr, Sheboygan, WI 53081. Phone: (920) 457-4858. Accepts Medicare assignment. In 2024, Thomas J. Zweifel had 220 Original Medicare patients and 9,265 services. NPI 1114027307. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Neurologist (Medicare lists Neurology)
  • Address: 1411 N Taylor Dr, Sheboygan, WI 53081 · Directions (6 more locations)
  • Phone: (920) 457‑4858
  • Medicare: Accepts Medicare assignment
  • Hospitals: St Nicholas Hospital, St Vincent Hospital
  • Group practice: St Vincent Hospital-Hospital Sisters-Third Order of St Francis (+1 more)
  • Medical school: Midwestern University, Chicago College Of Osteopathic Med · graduated 1974 (52 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas J. Zweifel, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Thomas J. Zweifel accept Medicare assignment?
Yes. Medicare's clinician data says Thomas J. Zweifel accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Thomas J. Zweifel see?
In 2024, CMS data shows 220 Original Medicare patients and 9,265 services for Thomas J. Zweifel. This counts Original Medicare only and measures volume, not quality.
What is Thomas J. Zweifel's NPI number?
1114027307. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Thomas J. Zweifel, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients220
Services billed to Medicare9,265
Different services or procedures38
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, onabotulinumtoxina, 1 unit (J0585)8,290 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)105 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)69 services
  4. Needle measurement of electrical activity in arm or leg muscles, complete study (95886)55 services
  5. Insertion of needle into vein for collection of blood sample (36415)44 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol73%
  • High blood pressure67%
  • Arthritis40%
  • Depression27%
  • Diabetes26%
  • Ischemic heart disease25%

Hospitals where Thomas J. Zweifel works

Medicare's Facility Affiliation Data lists Thomas J. Zweifel at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • St Nicholas HospitalSheboygan, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520044
  • St Vincent HospitalGreen Bay, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520075

Practice locations

Addresses where Thomas J. Zweifel is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Thomas J. Zweifel as a member of these groups (CMS data updated October 2, 2026).

  • St Vincent Hospital-Hospital Sisters-Third Order of St Francis603 clinicians in the group
  • St Nicholas Hospital-Sisters of the Third Order of St Francis178 clinicians in the group

Specialties

Find other Neurology doctors in Wisconsin →

Other neurologists in Sheboygan

Clinicians with the same Medicare primary specialty in Sheboygan, WI — not a recommendation.

All neurologists in Sheboygan →

Other clinicians in St Vincent Hospital-Hospital Sisters-Third Order of St Francis

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year1974 (52 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114027307
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians