1. Home
  2. Directory
  3. Washington
  4. Seattle
  5. Behavior Analyst
  6. NPI Profile

WILLOW BEHAVIOR THERAPY LLC
NPI 1124911797
Behavior Analyst in Seattle, WA

Active since June 02, 2025
4616 SW FRONTENAC ST, SEATTLE, WA 98136(425) 345-7114 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Willow Behavior Therapy Llc NPPES

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

WILLOW BEHAVIOR THERAPY LLC (NPI 1124911797) is a healthcare organization registered as a behavior analyst in Seattle, Washington and active in the NPI registry since June 2025. The organization lists Mccullough R Chastain, Ceo, as its authorized official.

NPPES Registry Identity

NPI1124911797
Entity TypeOrganization
Primary Taxonomy103K00000X
Legal Business NameWILLOW BEHAVIOR THERAPY LLC
Location Address4616 SW FRONTENAC STSeattle, WA 98136-1737
Mailing Address6523 California Ave Sw Ste 19Seattle, WA 98136-1833 · (425) 345-7114
Phone(425) 345-7114
Organization SubpartNo
Authorized OfficialMccullough R ChastainCeo · (425) 345-7114
Enumeration DateJune 2, 2025
Last NPPES UpdateJuly 24, 2025
NPPES CertifiedJuly 24, 2025
✔ NPI 1124911797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
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
Also ListedBehavior TechnicianTaxonomy 106S00000X
4616 SW FRONTENAC ST, Seattle, WA 98136
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

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 Willow Behavior Therapy LLC's NPI number?

The NPI number for Willow Behavior Therapy LLC is 1124911797. It was assigned to this organization in the NPPES registry on June 2, 2025.

Where is Willow Behavior Therapy LLC located?

Willow Behavior Therapy LLC is located at 4616 SW Frontenac St, Seattle, WA 98136. The listed phone number is (425) 345-7114.

What is Willow Behavior Therapy LLC's specialty?

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

What insurance does Willow Behavior Therapy LLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Willow Behavior Therapy LLC 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 Willow Behavior Therapy LLC was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.