Sierra Day
Behavior Technician · Bellingham, WA
Sierra Day is a behavior technician with a practice address in Bellingham, Washington, and NPI 1215898440, issued on Nov 18, 2025. Check the license (Washington CB70059271, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sierra Day
- Primary taxonomy
- Behavior Technician 106S00000X
- License number
- CB70059271 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4201 Meridian St Ste 113, Bellingham, WA 98226
- Phone
- (360) 305-3275
- Enumerated
- Nov 18, 2025
- Record last updated
- Nov 18, 2025
- Entity
- Type 1 · individual
Also registered at 4201 Meridian St Ste 113
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Allen, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1265981831
- Hailey AndertonBehavior Analyst1124484159
- Logan DonofrioBehavior Technician1932953395
- Rebecca EmmettBehavior Analyst1427426493
- Jessie Hudak, BCABABehavior Analyst1356774434
- Amber InderbitzinBehavior Analyst1104343896
Verify Sierra Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license CB70059271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
184 behavior technician records list a practice address in Bellingham
They are 184 of the 5,172 NPPES records with a practice address in Bellingham, and 9,312 behavior technician records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 184 in Bellingham → All 9,312 in Washington → Every provider in Bellingham →
Other behavior technician records in Washington
- Darion A LamellOlympia, WA1184458317
- Charlotte AagaardSeattle, WA1194350884
- Amber AaroSpokane Valley, WA1295403210
- Nneka AbakporoVancouver, WA1942139944
- Elliott AbbottTukwila, WA1912876012
- Jessica AbbottFederal Way, WA1558036715
- Hanifa AbdalaRenton, WA1033088091
- Faduma Abdi, CBTRichland, WA1326761396
- Faiza AbdiKent, WA1194603118
- Lulo AbdiSeattle, WA1427917012
Common questions
What is Sierra Day's NPI number?
Sierra Day's National Provider Identifier (NPI) is 1215898440, issued on Nov 18, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Sierra Day located?
The NPPES record lists a practice address at 4201 Meridian St Ste 113, Bellingham, WA, 98226. Phone: (360) 305-3275. Providers update this record themselves, so call before visiting.
How can I verify Sierra Day's license?
NPPES lists Washington license number CB70059271, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.