Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Leah Matthews Downey, LCSW, CSAC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1043502982

Leah Matthews Downey, LCSW, CSAC is a Clinical Social Worker in Waukesha, Wisconsin. Qualified in 2013, 13 years ago. Practices with Waukesha County, a 29-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
13
Licensed in
WI
In the registry since
2011
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

514 Riverview Ave
Waukesha, WI 53188-3631
Phone: (262) 388-5508
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 8761-123 (WI)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 15900-132 (WI)

Record details

NPI number1043502982
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , CSAC
Sole proprietorNo
NPI enumeratedMay 11, 2011
Last updated in NPPESApril 13, 2026
Certification dateApril 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Waukesha County — 29 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Waukesha