Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

HARRIET I WALKER PHD, CADC-III, NCGC
NPI 1427098045
Counselor - Addiction (Substance Use Disorder) in Woodruff, WI

Active since June 08, 2006
311 ELM ST, WOODRUFF, WI 54568(715) 356-8540 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Harriet I Walker Phd, Cadc-iii, Ncgc NPPES

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

HARRIET I WALKER PHD, CADC-III, NCGC (NPI 1427098045) is an individual addiction (substance use disorder) provider in Woodruff, Wisconsin, licensed in Wisconsin (11530) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1427098045
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameHARRIET I WALKERCredential: PHD, CADC-III, NCGC
Location Address311 ELM STWoodruff, WI 54568-9149
Mailing Address240 Maple StWoodruff, WI 54568-0470 · (715) 356-8000
Sole ProprietorNo
Enumeration DateJune 8, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1427098045 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 · 11530
Also ListedPsychologistTaxonomy 103T00000X · License 2359-057 (WI)
311 ELM ST, Woodruff, WI 54568

Other Identifiers 1

Medicaid43565100WI

Other Providers at the Same Location NPPES 8

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

Podiatrist (Foot & Ankle Surgery)
311 ELM ST
WOODRUFF, WI 54568
Social Worker
311 ELM ST
WOODRUFF, WI 54568
Social Worker (Clinical)
311 ELM ST
WOODRUFF, WI 54568
Podiatrist
311 ELM ST
WOODRUFF, WI 54568
Podiatrist
311 ELM ST
WOODRUFF, WI 54568
Podiatrist
311 ELM ST
WOODRUFF, WI 54568
Nurse Practitioner (Family)
311 ELM ST
WOODRUFF, WI 54568
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
311 ELM ST
WOODRUFF, WI 54568

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 Harriet Walker's NPI number?

The NPI number for Harriet Walker is 1427098045. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is Harriet Walker located?

Harriet Walker practices at 311 Elm St, Woodruff, WI 54568. The listed phone number is (715) 356-8540.

What is Harriet Walker'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 Harriet Walker was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.