LIAM JOSEPH JOHNSTON
NPI 1740089101
Counselor - Mental Health in Olympia, WA

Q: What is Liam Johnston's NPI number?

The NPI number for Liam Johnston is 1740089101. It was assigned to this individual provider in the NPPES registry on March 10, 2025.

Q: What is Liam Johnston's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Liam Johnston was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.

Active since March 10, 2025

424 EDISON ST SE, OLYMPIA, WA 98501(509) 424-9021 Get Directions Write a Review

NPPES record last updated: March 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Liam Joseph Johnston NPPES

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

LIAM JOSEPH JOHNSTON (NPI 1740089101) is an individual mental health provider in Olympia, Washington and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1740089101

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameLIAM JOSEPH JOHNSTON

Location Address424 EDISON ST SEOlympia, WA 98501-1821

Mailing Address424 Edison St SeOlympia, WA 98501-1821 · (509) 424-9021

Phone(509) 424-9021

Sole ProprietorYes

Enumeration DateMarch 10, 2025

NPPES CertifiedMarch 10, 2025

✔ NPI 1740089101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

424 EDISON ST SE, Olympia, WA 98501

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Other Providers at the Same Location NPPES

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

CLAIRE BOYTE-WHITE

Counselor (Mental Health)

424 EDISON ST SE
OLYMPIA, WA 98501

Thurston County (360) 228-1338

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 Liam Johnston's NPI number?

The NPI number for Liam Johnston is 1740089101. It was assigned to this individual provider in the NPPES registry on March 10, 2025.

Where is Liam Johnston located?

Liam Johnston practices at 424 Edison St SE, Olympia, WA 98501. The listed phone number is (509) 424-9021.

What is Liam Johnston's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Liam Johnston was last updated on March 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.