DIANA K JOHNSTONE LCSW
NPI 1740454057
Social Worker - Clinical in Milwaukee, WI

Active since April 17, 2008
4200 N HOLTON ST, MILWAUKEE, WI 53212(414) 988-6980 Get Directions Write a Review

NPPES record last updated: March 26, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Diana K Johnstone Lcsw NPPES

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

DIANA K JOHNSTONE LCSW (NPI 1740454057) is an individual clinical provider in Milwaukee, Wisconsin, licensed in Wisconsin (7326123) and active in the NPI registry since April 2008.

NPPES Registry Identity

NPI1740454057
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDIANA K JOHNSTONECredential: LCSW
Location Address4200 N HOLTON STMilwaukee, WI 53212-1064
Mailing Address4200 N Holton StMilwaukee, WI 53212-1064 · (414) 988-6980
Sole ProprietorNo
Enumeration DateApril 17, 2008
Last NPPES UpdateMarch 26, 2013
NPI 1740454057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in WI · 7326123
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
4200 N HOLTON ST, Milwaukee, WI 53212

Other Identifiers 1

Medicaid43730000WI

Other Providers at the Same Location NPPES 5

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

Psychologist (Counseling)
4200 N HOLTON ST, SUITE 400
MILWAUKEE, WI 53212
Counselor (Mental Health)
4200 N HOLTON ST
MILWAUKEE, WI 53212
Social Worker (Clinical)
4200 N HOLTON ST, SUITE 400
MILWAUKEE, WI 53212
Case Management
4200 N HOLTON ST, SUITE 110
MILWAUKEE, WI 53212
Counselor (Professional)
4200 N HOLTON ST, SUITE 400
MILWAUKEE, WI 53212

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 Diana Johnstone's NPI number?

The NPI number for Diana Johnstone is 1740454057. It was assigned to this individual provider in the NPPES registry on April 17, 2008.

Where is Diana Johnstone located?

Diana Johnstone practices at 4200 N Holton St, Milwaukee, WI 53212. The listed phone number is (414) 988-6980.

What is Diana Johnstone's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Diana Johnstone was last updated on March 26, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.