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DR. KENNETH MARK DERBY PH.D.
NPI 1679611420
Psychologist - Clinical in Spokane, WA

Active since February 02, 2007
1124 E 35TH AVE, SPOKANE, WA 99203(509) 747-7460(509) 323-5965 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Kenneth Mark Derby Ph.d. NPPES

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

DR. KENNETH MARK DERBY PH.D. (NPI 1679611420) is an individual clinical provider in Spokane, Washington, licensed in Washington (2204) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1679611420
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. KENNETH MARK DERBYCredential: PH.D.
Location Address1124 E 35TH AVESpokane, WA 99203-3168
Mailing Address1124 E 35th AveSpokane, WA 99203-3168 · (509) 747-7460 · Fax (509) 323-5965
Phone(509) 747-7460
Fax(509) 323-5965
Sole ProprietorNo
Enumeration DateFebruary 2, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1679611420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in WA · 2204
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X · License 2204 (WA)
1124 E 35TH AVE, Spokane, WA 99203
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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 Kenneth Derby's NPI number?

The NPI number for Kenneth Derby is 1679611420. It was assigned to this individual provider in the NPPES registry on February 2, 2007.

Where is Kenneth Derby located?

Kenneth Derby practices at 1124 E 35th Ave, Spokane, WA 99203. The listed phone number is (509) 747-7460.

What is Kenneth Derby's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Kenneth Derby was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.