Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MOONSTONE BEHAVIORAL HEALTH PLLC
NPI 1407717507
Social Worker - Clinical in Seattle, WA

Q: What is Moonstone Behavioral Health PLLC's NPI number?

The NPI number for Moonstone Behavioral Health PLLC is 1407717507. It was assigned to this organization in the NPPES registry on November 19, 2025. The provider is doing business as Moonstone Behavioral Health.

Q: What is Moonstone Behavioral Health PLLC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Active since November 19, 2025

1455 NW LEARY WAY STE 400, SEATTLE, WA 98107(425) 484-0866 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 2, 2026, Nov 19, 2025 (2 updates tracked since 2025).

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About Moonstone Behavioral Health Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MOONSTONE BEHAVIORAL HEALTH PLLC (NPI 1407717507), doing business as Moonstone Behavioral Health, is a healthcare organization registered as a clinical in Seattle, Washington and active in the NPI registry since November 2025. The organization lists Justin Lemieux, Owner/clinical Social Worker, as its authorized official.

NPPES Registry Identity

NPI1407717507

Entity TypeOrganization

Primary Taxonomy1041C0700X

Legal Business NameMOONSTONE BEHAVIORAL HEALTH PLLC

Location Address1455 NW LEARY WAY STE 400Seattle, WA 98107-5138

Mailing Address522 W Riverside Ave # 8221Spokane, WA 99201-0580

Phone(425) 484-0866

Organization SubpartNo

Authorized OfficialJustin LemieuxOwner/clinical Social Worker · (425) 484-0866

Enumeration DateNovember 19, 2025

Last NPPES UpdateSeptember 2, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 2, 2026

✔ NPI 1407717507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

1455 NW LEARY WAY STE 400, Seattle, WA 98107

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Other Names 1

Doing Business AsMoonstone Behavioral Health

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THOMAS MICHAEL WYANT

Behavior Technician