NPPES file of Aug 9, 2026

Cassaundra Brzeski

Mental Health Counselor · Brookfield, WI

Cassaundra Brzeski is a mental health counselor with a practice address in Brookfield, Wisconsin, and NPI 1366139685, issued on Apr 18, 2023. Check the license (Wisconsin 11665-125, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366139685
Name
Cassaundra Brzeski
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
11665-125 WI
Self-reported in NPPES; status is on the state search
Practice location
18000 W Sarah LN Ste 210, Brookfield, WI 53045
Phone
(262) 267-8740
Enumerated
Apr 18, 2023
Record last updated
Jul 22, 2025
Medicare enrollment
Enrolled (PECOS I20250430003598); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 18000 W Sarah LN Ste 210

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Catherine Dupar Skelly, LCSWClinical Social Worker1912326190
  2. Kelly Hawkins, APSWSocial Worker1295691624
  3. Elizabeth JohnsonMarriage & Family Therapist1285257683
  4. Susan Kalensky, LPCMental Health Counselor1710908405
  5. Haley Lemire, LPCMental Health Counselor1821662818
  6. Alexandra SmarsMental Health Counselor1780199141

Verify Cassaundra Brzeski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 11665-125
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Munawar LLCBrookfield, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cassaundra Brzeski among 2,622 mental health counselor records in Wisconsin

Cassaundra Brzeski is one of 2,622 mental health counselor records with a practice address in Wisconsin. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 69% of them.

  • NPI issued2023 · 69% of these records are older, 25% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2023 · median 2016 among the 390 with a school on file
  • Record last updated2025 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 mental health counselor records list a practice address in Brookfield

They are 56 of the 2,036 NPPES records with a practice address in Brookfield, and 2,622 mental health counselor records in Wisconsin.

The 8 mental health counselor records with the nearest ZIP codes

  1. Susan CondonBrookfield, WI 530451023669926
  2. Kari Erickson, LPCBrookfield, WI 530451508456831
  3. Jessica Fasanello, MS,CRC,LPCBrookfield, WI 530451023989480
  4. Floyd Griffin, LPC-ITBrookfield, WI 530451982588646
  5. Susan Kalensky, LPCBrookfield, WI 530451710908405
  6. Haley Lemire, LPCBrookfield, WI 530451821662818
  7. Alexandra SmarsBrookfield, WI 530451780199141
  8. Regina Weber, MSBrookfield, WI 530451841549565

Common questions

What is Cassaundra Brzeski's NPI number?

Cassaundra Brzeski's National Provider Identifier (NPI) is 1366139685, issued on Apr 18, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Cassaundra Brzeski located?

The NPPES record lists a practice address at 18000 W Sarah LN Ste 210, Brookfield, WI, 53045. Phone: (262) 267-8740. Providers update this record themselves, so call before visiting.

How can I verify Cassaundra Brzeski's license?

NPPES lists Wisconsin license number 11665-125, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.