Kathryn Stewart, BCBA, LBA
NPI 1508250242 · Behavior Analyst · Seattle, WA
Kathryn Stewart, BCBA, LBA is a Behavior Analyst provider in Seattle, WA (NPI 1508250242).
Provider details
- NPI number
- 1508250242
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- BCBA, LBA
- Sex
- Female
- Sole proprietor
- Yes
- License
- BA60777150 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Assistant Behavior Analyst106E00000X
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
11 yrs 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
- 2015-03-19
- Last updated
- 2026-02-10
- Certified
- 2026-02-10
Frequently asked questions
- What is Kathryn Stewart's NPI number?
- Kathryn Stewart's National Provider Identifier (NPI) is 1508250242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Stewart's specialty?
- Kathryn Stewart is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Kathryn Stewart located?
- Kathryn Stewart's practice location on file with NPPES is 6523 California Ave Sw Ste 19, Seattle, WA 98136-1833.
- What is Kathryn Stewart's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Stewart is (253) 370-4780.
- Is Kathryn Stewart's NPI active?
- Yes — Kathryn Stewart's NPI (1508250242) is active in the NPPES registry as of the last update on 2026-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.