NPPES file of Aug 9, 2026

Leah Matthews Downey, LCSW, CSAC

Mental Health Counselor · Waukesha, WI

Leah Matthews Downey, LCSW, CSAC is a mental health counselor with a practice address in Waukesha, Wisconsin, and NPI 1043502982, issued on May 11, 2011. Check the license (Wisconsin 8761-123, 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
1043502982
Name
Leah Matthews Downey
Credential
LCSW, CSAC
Primary taxonomy
Mental Health Counselor 101YM0800X
License numbers
8761-123 WI
15900-132 WI
Self-reported in NPPES; status is on the state search
Practice location
514 Riverview Ave, Waukesha, WI 53188
Phone
(262) 388-5508
Enumerated
May 11, 2011
Record last updated
Apr 13, 2026
Medicaid ID
100045866 WI
Medicare enrollment
Enrolled (PECOS I20170901001750); 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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8 nearest mental health counselor records → All 2,622 in Wisconsin → Look up another NPI →

Also registered at 514 Riverview Ave

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

  1. Emily Alexander, RNRegistered Nurse1992292478
  2. Penny AllarSocial Worker1750781159
  3. Allison AnschutzCase Manager/Care Coordinator1134760341
  4. Madeline AttewellCase Manager/Care Coordinator1548884752
  5. Lydia AukampCase Manager/Care Coordinator1194456111
  6. Joanne AyersCase Manager/Care Coordinator1003412016

Verify Leah Matthews Downey 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 8761-123    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. Waukesha CountyWaukesha, WI

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

Leah Matthews Downey among 2,622 mental health counselor records in Wisconsin

Leah Matthews Downey, LCSW, CSAC 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 2011, is newer than 22% of them.

  • NPI issued2011 · 22% of these records are older, 76% newer
  • In a Medicare fileYes · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 15% of these records are
  • Graduated2013 · median 2016 among the 390 with a school on file
  • Record last updated2026 · 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).

84 mental health counselor records list a practice address in Waukesha

They are 84 of the 2,814 NPPES records with a practice address in Waukesha, and 2,622 mental health counselor records in Wisconsin.

All 2,622 in Wisconsin → Every provider in Waukesha → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Danielle Birdeau, LPCWaukesha, WI 531881124045570
  2. Patricia Gutierrez, CSAC, ICS, LPCWaukesha, WI 531881952577488
  3. Timothy KrellWaukesha, WI 531881699839167
  4. Kaysie Kurszewski, M.A.Waukesha, WI 531881457534307
  5. Joyce Lynn, LCSWWaukesha, WI 531881598899890
  6. Lisa Miller- MaleckiWaukesha, WI 531881568639086
  7. Mary MitchellWaukesha, WI 531881992861710
  8. Barbara Murray, MS, LPCWaukesha, WI 531881750416723

Common questions

What is Leah Matthews Downey, LCSW, CSAC's NPI number?

Leah Matthews Downey, LCSW, CSAC's National Provider Identifier (NPI) is 1043502982, issued on May 11, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Leah Matthews Downey, LCSW, CSAC located?

The NPPES record lists a practice address at 514 Riverview Ave, Waukesha, WI, 53188. Phone: (262) 388-5508. Providers update this record themselves, so call before visiting.

How can I verify Leah Matthews Downey, LCSW, CSAC's license?

NPPES lists Wisconsin license number 8761-123, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.