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MS. STACEY LYNN YONKOSKI MSW, LCSW, CADCIII
NPI 1053464289
Counselor - Addiction (Substance Use Disorder) in Mequon, WI

Active since January 19, 2007
1500 W MARKET ST, SUITE 200, MEQUON, WI 53092(262) 241-6127 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Ms. Stacey Lynn Yonkoski Msw, Lcsw, Cadciii NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. STACEY LYNN YONKOSKI MSW, LCSW, CADCIII (NPI 1053464289) is an individual addiction (substance use disorder) provider in Mequon, Wisconsin, licensed in Wisconsin (2101) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1053464289
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMS. STACEY LYNN YONKOSKICredential: MSW, LCSW, CADCIII
Location Address1500 W MARKET ST, SUITE 200Mequon, WI 53092-5098
Mailing Address1500 W Market St, Suite 200Mequon, WI 53092-5098 · (262) 241-6127
Phone(262) 241-6127
Sole ProprietorNo
Enumeration DateJanuary 19, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1053464289 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in WI · 2101
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 6578-123 (WI)
1500 W MARKET ST, Mequon, WI 53092
Open in Google Maps ↗

Other Identifiers 1

Medicaid39712900WI

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GINA M TOYNTON
Counselor (Mental Health)
1500 W MARKET ST, SUITE 200
MEQUON, WI 53092
Ozaukee County (262) 241-6127
ELIZABETH ANN LAURILA LCSW
Social Worker (Clinical)
1500 W MARKET ST
MEQUON, WI 53092
Ozaukee County (262) 241-5955
JENNIFER GRIMES O'BRIEN M.ED., L.P.C.
Counselor (Mental Health)
1500 W MARKET ST
MEQUON, WI 53092
Ozaukee County (414) 239-0363
DAWN M RITTER MS, LPC
Counselor (Addiction (Substance Use Disorder))
1500 W MARKET ST, SUITE 200
MEQUON, WI 53092
Ozaukee County (262) 241-6127

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stacey Yonkoski's NPI number?

The NPI number for Stacey Yonkoski is 1053464289. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Where is Stacey Yonkoski located?

Stacey Yonkoski practices at 1500 W Market St Suite 200, Mequon, WI 53092. The listed phone number is (262) 241-6127.

What is Stacey Yonkoski's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Stacey Yonkoski was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.