KATHRYN STEWART BCBA, LBA
NPI 1508250242
Behavior Analyst in Seattle, WA

Active since March 19, 2015
6523 CALIFORNIA AVE SW STE 19, SEATTLE, WA 98136(253) 370-4780 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 27, 2023, Oct 31, 2016 (2 updates tracked since 2016).

About Kathryn Stewart Bcba, Lba NPPES

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

KATHRYN STEWART BCBA, LBA (NPI 1508250242) is an individual behavior analyst provider in Seattle, Washington, licensed in Washington (BA60777150) and active in the NPI registry since March 2015.

NPPES Registry Identity

NPI1508250242
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameKATHRYN STEWARTCredential: BCBA, LBA
Location Address6523 CALIFORNIA AVE SW STE 19Seattle, WA 98136-1833
Mailing Address5417 96th Avenue Ct NwGig Harbor, WA 98335-6094 · (253) 370-4780
Sole ProprietorYes
Enumeration DateMarch 19, 2015
Last NPPES UpdateFebruary 10, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 10, 2026
NPI 1508250242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
License Licensed in WA · BA60777150
Definition

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

Also ListedAssistant Behavior AnalystTaxonomy 106E00000X
6523 CALIFORNIA AVE SW STE 19, Seattle, WA 98136

Accepted Insurance

Other Providers at the Same Location NPPES 3

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

Behavior Technician
6523 CALIFORNIA AVE SW STE 19
SEATTLE, WA 98136
Behavior Technician
6523 CALIFORNIA AVE SW STE 19
SEATTLE, WA 98136
Behavior Technician
6523 CALIFORNIA AVE SW STE 19
SEATTLE, WA 98136

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 Kathryn Stewart's NPI number?

The NPI number for Kathryn Stewart is 1508250242. It was assigned to this individual provider in the NPPES registry on March 19, 2015.

Where is Kathryn Stewart located?

Kathryn Stewart practices at 6523 California Ave SW Ste 19, Seattle, WA 98136. The listed phone number is (253) 370-4780.

What is Kathryn Stewart's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

What insurance does Kathryn Stewart accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Kathryn Stewart as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kathryn Stewart was last updated on February 10, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.