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Neurosurgery

Alex M. Witek, MD

Works at hospitals in Baraboo, WI · Janesville, WI · Madison, WI … · Wisconsin

Summary

Alex M. Witek, MD (Neurosurgery) is listed by Medicare at 5 hospitals in Baraboo, WI, Janesville, WI and Madison, WI and other places. NPI 1558656165. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alex M. Witek, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

NeurosurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
14Years since medical school (graduated 2012)
University Of Wisconsin School Of MedicineMedical school
MaleGender (as listed)
Dean Health Systems IncGroup practice

Quick answers

Which hospitals does Alex M. Witek work at?
Medicare's official clinician data lists Alex M. Witek at 5 hospitals: SSM Health St Clare Hospital - Baraboo, SSM Health St Mary's Hospital - Janesville, SSM Health St Mary's Hospital - Madison, The Monroe Clinic and Upland Hills Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alex M. Witek see patients?
Medicare's clinician data lists 1 practice location in Madison, WI. Call before your visit to confirm the address.
What is Alex M. Witek's specialty?
Medicare lists Neurosurgery as the primary specialty.
Does Alex M. Witek accept Medicare assignment?
Yes. Medicare's clinician data says Alex M. Witek accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Alex M. Witek offer telehealth?
Medicare's clinician data says Alex M. Witek offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alex M. Witek?
(608) 251-6100, as listed in official Medicare / NPI Registry data.
What is Alex M. Witek's NPI number?
1558656165. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alex M. Witek works

Medicare's Facility Affiliation Data lists Alex M. Witek at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Alex M. Witek is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alex M. Witek as a member of this group (CMS data updated 2026-10-02).

  • Dean Health Systems Inc1,159 clinicians in the group

Specialties

Find other Neurosurgery doctors in Wisconsin →

Other neurosurgeons in Madison

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

All neurosurgeons in Madison →

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year2012
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1558656165
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians