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Tasia Siereveld
NPI 1235646464 · Behavior Technician · Bellevue, WA
Tasia Siereveld is a Behavior Technician provider in Bellevue, WA (NPI 1235646464).
Provider details
- NPI number
- 1235646464
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
10400 Ne 4th St Ste 500
Bellevue, WA 98004-5175
Phone: (425) 559-7809
Street-level locationGet directions
Mailing address
3110 Camino Del Rio S Ste 307
San Diego, CA 92108-3832
Registry dates
- Enumerated
- 2018-01-09
- Last updated
- 2018-01-09
Frequently asked questions
- What is Tasia Siereveld's NPI number?
- Tasia Siereveld's National Provider Identifier (NPI) is 1235646464, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tasia Siereveld's specialty?
- Tasia Siereveld is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Tasia Siereveld located?
- Tasia Siereveld's practice location on file with NPPES is 10400 Ne 4th St Ste 500, Bellevue, WA 98004-5175.
- What is Tasia Siereveld's phone number?
- The practice phone number listed in the NPPES registry for Tasia Siereveld is (425) 559-7809.
- Is Tasia Siereveld's NPI active?
- Yes — Tasia Siereveld's NPI (1235646464) is active in the NPPES registry as of the last update on 2018-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.