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Alexi Themelis
NPI 1326617119 · Behavior Technician · Seattle, WA
Alexi Themelis is a Behavior Technician provider in Seattle, WA (NPI 1326617119).
Provider details
- NPI number
- 1326617119
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
1455 Nw Leary Way
Seattle, WA 98107-5124
Phone: (206) 504-3815
Street-level locationGet directions
Mailing address
18726 S Western Ave
Gardena, CA 90248-3813
Registry dates
- Enumerated
- 2021-06-24
- Last updated
- 2021-06-24
- Certified
- 2021-06-23
Frequently asked questions
- What is Alexi Themelis's NPI number?
- Alexi Themelis's National Provider Identifier (NPI) is 1326617119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexi Themelis's specialty?
- Alexi Themelis is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Alexi Themelis located?
- Alexi Themelis's practice location on file with NPPES is 1455 Nw Leary Way, Seattle, WA 98107-5124.
- What is Alexi Themelis's phone number?
- The practice phone number listed in the NPPES registry for Alexi Themelis is (206) 504-3815.
- Is Alexi Themelis's NPI active?
- Yes — Alexi Themelis's NPI (1326617119) is active in the NPPES registry as of the last update on 2021-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.