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Alex M. Witek

NPI 1558656165ActiveIndividual· Neurological Surgery· Madison, WI

Neurological Surgery in Madison, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2012). 186 Medicare patients in 2024, $84,593 paid; all of their 57 Part D prescriptions were generic. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $212.32 in all, mostly food and beverage.

Overview

NPI1558656165
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedJun 10, 2011
Last updated in NPPESJul 23, 2021
Certified by providerJul 23, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Neurological Surgery Primary207T00000X74825-20WI

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Neurosurgery (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients186
Services billed430 across 72 procedure codes
Paid by Medicare$84,593

Part D prescriptions in 2024

Prescriptions (claims)57 · 86 30-day fills
Patients23
Total drug cost$737.38
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Wisconsin School of Medicine
Graduation year2012
Medicare specialtyNeurosurgery
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$212.32 · 2 payments from 2 companies
  • 2024$142.01 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$158.931
Kuros Biosciences USA, Inc$53.391

What the 2025 payments were for

  • Food and Beverage$212.32 · 2 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other neurosurgeons in Madison

All 41 neurosurgeons in Madison · All neurosurgeons in Wisconsin