IndividualActive
Katherine Siceloff
NPI 1508414863 · Behavior Analyst · Seattle, WA
Katherine Siceloff is a Behavior Analyst provider in Seattle, WA (NPI 1508414863).
Provider details
- NPI number
- 1508414863
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(60/100 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
2529 Sw Cloverdale St
Seattle, WA 98106-2250
Registry dates
- Enumerated
- 2019-08-29
- Last updated
- 2019-08-29
Frequently asked questions
- What is Katherine Siceloff's NPI number?
- Katherine Siceloff's National Provider Identifier (NPI) is 1508414863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Siceloff's specialty?
- Katherine Siceloff is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Katherine Siceloff located?
- Katherine Siceloff's practice location on file with NPPES is 4746 11th Ave Ne Ste 102, Seattle, WA 98105-4660.
- What is Katherine Siceloff's phone number?
- The practice phone number listed in the NPPES registry for Katherine Siceloff is (206) 535-8876.
- Is Katherine Siceloff's NPI active?
- Yes — Katherine Siceloff's NPI (1508414863) is active in the NPPES registry as of the last update on 2019-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.