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

MS. JOAN MARGARET LOEKEN LICSW
NPI 1619965308
Social Worker - Clinical in Seattle, WA

Active since October 07, 2005
1624 42ND AVE E, #B, SEATTLE, WA 98112(206) 323-3704 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Joan Margaret Loeken Licsw NPPES

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

MS. JOAN MARGARET LOEKEN LICSW (NPI 1619965308) is an individual clinical provider in Seattle, Washington, licensed in Washington (LW00004384) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1619965308
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. JOAN MARGARET LOEKENCredential: LICSW
Location Address1624 42ND AVE E, #BSeattle, WA 98112-3216
Mailing Address1624 42nd Ave. E, #bSeattle, WA 98112-3216 · (206) 323-3704
Sole ProprietorNo
Enumeration DateOctober 7, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1619965308 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in WA · LW00004384
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.
1624 42ND AVE E, Seattle, WA 98112

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joan Loeken's NPI number?

The NPI number for Joan Loeken is 1619965308. It was assigned to this individual provider in the NPPES registry on October 7, 2005.

Where is Joan Loeken located?

Joan Loeken practices at 1624 42nd Ave E #b, Seattle, WA 98112. The listed phone number is (206) 323-3704.

What is Joan Loeken's specialty?

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

When was this NPI record last updated?

The NPPES record for Joan Loeken was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.