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

STEPHANIE MARIE JOHNSON LICSW
NPI 1730491424
Social Worker - Clinical in Seattle, WA

Active since July 09, 2010
600 1ST AVE STE 330, SEATTLE, WA 98104(206) 672-3202 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 10, 2026, Dec 6, 2021, Oct 29, 2019 and 1 more (4 updates tracked since 2018).

About Stephanie Marie Johnson Licsw NPPES

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

STEPHANIE MARIE JOHNSON LICSW (NPI 1730491424) is an individual clinical provider in Seattle, Washington, licensed in Washington (LW60996164) and active in the NPI registry since July 2010.

NPPES Registry Identity

NPI1730491424
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSTEPHANIE MARIE JOHNSONCredential: LICSW
Location Address600 1ST AVE STE 330Seattle, WA 98104-2246
Mailing Address600 1st Ave Ste 330Seattle, WA 98104-2246 · (206) 672-3202
Sole ProprietorNo
Enumeration DateJuly 9, 2010
Last NPPES UpdateAugust 10, 20264 updates tracked since enumeration
NPPES CertifiedAugust 10, 2026
NPI 1730491424 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 · LW60996164
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.
600 1ST AVE STE 330, Seattle, WA 98104

Other Names 1

Former Name (1)Stephanie M Diltz Licsw

Accepted Insurance

Other Providers at the Same Location NPPES 7

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

Internal Medicine (Hospice and Palliative Medicine)
600 1ST AVE STE 330, PMB 365293
SEATTLE, WA 98104
Counselor (Mental Health)
600 1ST AVE STE 330
SEATTLE, WA 98104
Counselor (Mental Health)
600 1ST AVE STE 330, PMB 567130
SEATTLE, WA 98104
Community/Behavioral Health
600 1ST AVE STE 330
SEATTLE, WA 98104
Clinical Nurse Specialist (Psychiatric/Mental Health)
600 1ST AVE STE 330
SEATTLE, WA 98104
Registered Nurse (Home Health)
600 1ST AVE STE 330
SEATTLE, WA 98104
Counselor (Mental Health)
600 1ST AVE STE 330
SEATTLE, WA 98104

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 Stephanie Johnson's NPI number?

The NPI number for Stephanie Johnson is 1730491424. It was assigned to this individual provider in the NPPES registry on July 9, 2010. The provider is also known as Stephanie M Diltz Licsw.

Where is Stephanie Johnson located?

Stephanie Johnson practices at 600 1st Ave Ste 330, Seattle, WA 98104. The listed phone number is (206) 672-3202.

What is Stephanie Johnson's specialty?

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

What insurance does Stephanie Johnson accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Stephanie Johnson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stephanie Johnson was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.