ANGELA RUTH DIERDORFF LMHCA
NPI 1487458121
Counselor - Mental Health in Spokane, WA

Active since April 02, 2025
101 W CASCADE WAY STE 103, SPOKANE, WA 99208(509) 413-2242 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 11, 2026, Apr 2, 2025 (2 updates tracked since 2025).

About Angela Ruth Dierdorff Lmhca NPPES

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

ANGELA RUTH DIERDORFF LMHCA (NPI 1487458121) is an individual mental health provider in Spokane, Washington, licensed in Washington (NHCA.MC70115468) and active in the NPI registry since April 2025.

NPPES Registry Identity

NPI1487458121
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameANGELA RUTH DIERDORFFCredential: LMHCA
Location Address101 W CASCADE WAY STE 103Spokane, WA 99208-6000
Mailing Address101 W Cascade Way Ste 103Spokane, WA 99208-6000 · (509) 413-2242
Sole ProprietorYes
Enumeration DateApril 2, 2025
Last NPPES UpdateMay 11, 20262 updates tracked since enumeration
NPPES CertifiedMay 11, 2026
NPI 1487458121 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in WA · NHCA.MC70115468
101 W CASCADE WAY STE 103, Spokane, WA 99208

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

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

Marriage & Family Therapist
101 W CASCADE WAY STE 103
SPOKANE, WA 99208
Counselor (Mental Health)
101 W CASCADE WAY STE 103
SPOKANE, WA 99208
Counselor (Mental Health)
101 W CASCADE WAY STE 103
SPOKANE, WA 99208
Counselor (Mental Health)
101 W CASCADE WAY STE 103
SPOKANE, WA 99208
Marriage & Family Therapist
101 W CASCADE WAY STE 103
SPOKANE, WA 99208
Counselor (Mental Health)
101 W CASCADE WAY STE 103
SPOKANE, WA 99208
Student in an Organized Health Care Education/Training Program
101 W CASCADE WAY STE 103
SPOKANE, WA 99208
Marriage & Family Therapist
101 W CASCADE WAY STE 103
SPOKANE, WA 99208

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 Angela Dierdorff's NPI number?

The NPI number for Angela Dierdorff is 1487458121. It was assigned to this individual provider in the NPPES registry on April 2, 2025.

Where is Angela Dierdorff located?

Angela Dierdorff practices at 101 W Cascade Way Ste 103, Spokane, WA 99208. The listed phone number is (509) 413-2242.

What is Angela Dierdorff'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 Angela Dierdorff was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.