Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Sadie Marie Millen, LPC

Individual provider Professional Counselor · NPI 1598456022

Sadie Marie Millen, LPC is a Mental Health Counselor in Waukesha, Wisconsin. Qualified in 2018, 8 years ago. Practices with Cornerstone Counseling Services Inc, a 328-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
8
Licensed in
WI
In the registry since
2023
What do these letters mean?
LPC — Licensed Professional Counselor
A licensed mental health counsellor.

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Practice location Address checks out

741 N Grand Ave Ste 302
Waukesha, WI 53186-4841
Phone: (262) 510-5653
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 8234-125 (WI)

Record details

NPI number1598456022
Entity typeIndividual (Type 1)
GenderFemale
Credentials LPC
Sole proprietorYes
NPI enumeratedMay 16, 2023
Last updated in NPPESFebruary 18, 2025
Certification dateFebruary 18, 2025

Medicare enrollment

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

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Cornerstone Counseling Services Inc — 328 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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