What is Josilyn Arellano's NPI number?

Josilyn Arellano's National Provider Identifier (NPI) is 1821771783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Josilyn Arellano's specialty?

Josilyn Arellano is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Josilyn Arellano located?

Josilyn Arellano's practice location on file with NPPES is 19031 33rd Ave W Ste 101, Lynnwood, WA 98036-4722.

What is Josilyn Arellano's phone number?

The practice phone number listed in the NPPES registry for Josilyn Arellano is (253) 417-5249.

Is Josilyn Arellano's NPI active?

Yes — Josilyn Arellano's NPI (1821771783) is active in the NPPES registry as of the last update on 2025-08-08.

IndividualActive

Josilyn Arellano

NPI 1821771783 · Behavior Technician · Lynnwood, WA

Josilyn Arellano is a Behavior Technician provider in Lynnwood, WA (NPI 1821771783).

Provider details

NPI number: 1821771783
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Established profile(51/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 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

19031 33rd Ave W Ste 101

Lynnwood, WA 98036-4722

Phone: (253) 417-5249

Street-level locationGet directions

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Mailing address