Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

Kamil Matejewski, MD

Works at hospitals in Menomonee Falls, WI · Olympia Fields, IL · New Berlin, WI · Wisconsin, Illinois

Summary

Kamil Matejewski, MD (Emergency Medicine) is listed by Medicare at 3 hospitals in Menomonee Falls, WI, Olympia Fields, IL and New Berlin, WI. NPI 1548720600. 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 Kamil Matejewski, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
R Franklin University Of Med & Sci/chicago Medical SchoolMedical school
MaleGender (as listed)
Froedtert Andthe Medical College of Wisconsin Community Physicians IncGroup practice

Quick answers

Which hospitals does Kamil Matejewski work at?
Medicare's official clinician data lists Kamil Matejewski at 3 hospitals: Community Memorial Hospital, Franciscan Health Olympia & Chicago Heights and Froedtert Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Kamil Matejewski see patients?
Medicare's clinician data lists 2 practice locations, including Mequon, WI and New Berlin, WI. Call before your visit to confirm the address.
What is Kamil Matejewski's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Kamil Matejewski accept Medicare assignment?
Yes. Medicare's clinician data says Kamil Matejewski 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.
What is the phone number for Kamil Matejewski?
(262) 518-4910, as listed in official Medicare / NPI Registry data.
What is Kamil Matejewski's NPI number?
1548720600. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Kamil Matejewski works

Medicare's Facility Affiliation Data lists Kamil Matejewski 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 Kamil Matejewski is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Kamil Matejewski as a member of this group (CMS data updated 2026-10-02).

  • Froedtert Andthe Medical College of Wisconsin Community Physicians Inc1,285 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Wisconsin →

Other emergency medicine doctors in Mequon

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

All emergency medicine doctors in Mequon →

Clinician information

CredentialMD
Medical schoolR Franklin University Of Med & Sci/chicago Medical School
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548720600
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