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

Clinical Psychologist

Lawrence Koszewski

Sees patients in Menomonee Falls, WI · Wisconsin

Summary

Lawrence Koszewski (Clinical Psychologist) is enrolled with Medicare at 1 practice location in Menomonee Falls, WI. NPI 1275679680. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lawrence Koszewski, 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

Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
37Years since medical school (graduated 1989)
MaleGender (as listed)
Froedtert Andthe Medical College of Wisconsin Community Physicians IncGroup practice

Quick answers

Where does Lawrence Koszewski see patients?
Medicare's clinician data lists 1 practice location in Menomonee Falls, WI. Call before your visit to confirm the address.
What is Lawrence Koszewski's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does Lawrence Koszewski accept Medicare assignment?
Yes. Medicare's clinician data says Lawrence Koszewski 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 Lawrence Koszewski offer telehealth?
Medicare's clinician data says Lawrence Koszewski offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Lawrence Koszewski?
(262) 253-5400, as listed in official Medicare / NPI Registry data.
What is Lawrence Koszewski's NPI number?
1275679680. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Lawrence Koszewski is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lawrence Koszewski 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 clinicians: Clinical Psychologist, Wisconsin →

Other clinical psychologists in Menomonee Falls

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

All clinical psychologists in Menomonee Falls →

Clinician information

Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275679680
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians