Willow Behavior Therapy LLC
NPI 1124911797 · Behavior Analyst · Seattle, WA
Willow Behavior Therapy LLC is a Behavior Analyst organization in Seattle, WA (NPI 1124911797).
Provider details
- NPI number
- 1124911797
- Entity type
- Organization
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mccullough Chastain, Ceo(425) 345-7114
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Assistant Behavior Analyst106E00000X
Behavioral Health & Social Service Providers
- Behavior Technician106S00000X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-06-02
- Last updated
- 2025-07-24
- Certified
- 2025-07-24
Frequently asked questions
- What is Willow Behavior Therapy LLC's NPI number?
- Willow Behavior Therapy LLC's National Provider Identifier (NPI) is 1124911797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Willow Behavior Therapy LLC?
- Willow Behavior Therapy LLC is classified in the NPPES registry as Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Willow Behavior Therapy LLC located?
- Willow Behavior Therapy LLC's practice location on file with NPPES is 4616 Sw Frontenac St, Seattle, WA 98136-1737.
- What is Willow Behavior Therapy LLC's phone number?
- The practice phone number listed in the NPPES registry for Willow Behavior Therapy LLC is (425) 345-7114.
- Who is the authorized official for Willow Behavior Therapy LLC?
- The authorized official listed on Willow Behavior Therapy LLC's NPPES record is Mccullough Chastain, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Willow Behavior Therapy LLC's NPI active?
- Yes — Willow Behavior Therapy LLC's NPI (1124911797) is active in the NPPES registry as of the last update on 2025-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.