What is Jillian Stephens's NPI number?

Jillian Stephens's National Provider Identifier (NPI) is 1598609638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jillian Stephens's specialty?

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

Where is Jillian Stephens located?

Jillian Stephens's practice location on file with NPPES is 1710 N 103rd St, Seattle, WA 98133-9430.

What is Jillian Stephens's phone number?

The practice phone number listed in the NPPES registry for Jillian Stephens is (253) 549-9244.

Is Jillian Stephens's NPI active?

Yes — Jillian Stephens's NPI (1598609638) is active in the NPPES registry as of the last update on 2026-04-17.

IndividualActive

Jillian Stephens

NPI 1598609638 · Behavior Technician · Seattle, WA

Jillian Stephens is a Behavior Technician provider in Seattle, WA (NPI 1598609638).

Provider details

NPI number: 1598609638
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(46/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1710 N 103rd St

Seattle, WA 98133-9430

Phone: (253) 549-9244

Street-level locationGet directions

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Mailing address