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London Tillinghast
NPI 1427526888 · Behavior Analyst · Seattle, WA
London Tillinghast is a Behavior Analyst provider in Seattle, WA (NPI 1427526888).
Provider details
- NPI number
- 1427526888
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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
4746 11th Ave Ne Ste 102
Seattle, WA 98105-4660
Phone: (206) 535-8876
Street-level locationGet directions
Mailing address
8821 23rd Ave Ne Apt 3
Seattle, WA 98115-3399
Registry dates
- Enumerated
- 2018-11-04
- Last updated
- 2018-11-04
Frequently asked questions
- What is London Tillinghast's NPI number?
- London Tillinghast's National Provider Identifier (NPI) is 1427526888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is London Tillinghast's specialty?
- London Tillinghast is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is London Tillinghast located?
- London Tillinghast's practice location on file with NPPES is 4746 11th Ave Ne Ste 102, Seattle, WA 98105-4660.
- What is London Tillinghast's phone number?
- The practice phone number listed in the NPPES registry for London Tillinghast is (206) 535-8876.
- Is London Tillinghast's NPI active?
- Yes — London Tillinghast's NPI (1427526888) is active in the NPPES registry as of the last update on 2018-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.