Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Willow Behavior Therapy LLC

Organization Behavior Analyst · NPI 1124911797

Willow Behavior Therapy LLC is a Behavior Analyst in Seattle, Washington. Registered with an NPI since 2025.

In the registry since
2025
Specialties on file
3
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4616 SW Frontenac St
Seattle, WA 98136-1737
Phone: (425) 345-7114
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X
Assistant Behavior Analyst Taxonomy 106E00000X
Behavior Technician Taxonomy 106S00000X

Record details

NPI number1124911797
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official McCullough Chastain — Ceo · (425) 345-7114
NPI enumeratedJune 2, 2025
Last updated in NPPESJuly 24, 2025
Certification dateJuly 24, 2025
Mailing address6523 California Ave Sw Ste 19, Seattle, WA 98136-1833

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