STEPHEN LOUIS SIEFERT LICSW
NPI 1497863013
Social Worker - Clinical in Seattle, WA

Active since August 25, 2006
10740 MERIDIAN AVE N, SUITE 104, SEATTLE, WA 98133(206) 367-3117(206) 367-3117 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Stephen Louis Siefert Licsw NPPES

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

STEPHEN LOUIS SIEFERT LICSW (NPI 1497863013) is an individual clinical provider in Seattle, Washington, licensed in Washington (LW00008011) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1497863013
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameSTEPHEN LOUIS SIEFERTCredential: LICSW
Location Address10740 MERIDIAN AVE N, SUITE 104Seattle, WA 98133-9010
Mailing Address10740 Meridian Ave N, Suite 104Seattle, WA 98133-9010 · (206) 367-3117 · Fax (206) 367-3117
Fax(206) 367-3117
Sole ProprietorYes
Enumeration DateAugust 25, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1497863013 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 · LW00008011
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.
10740 MERIDIAN AVE N, Seattle, WA 98133

Other Identifiers 3

OtherSSIEFER000WA · One Health Port Id
Other2918SIWA · Regence Blue Shield Pvdr#
OtherLW00008011WA · Licsw License Number

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.

Neuromusculoskeletal Medicine, Sports Medicine
10740 MERIDIAN AVE N, SUITE 107
SEATTLE, WA 98133
Counselor (Mental Health)
10740 MERIDIAN AVE N, SUITE 101
SEATTLE, WA 98133
Clinic/Center
10740 MERIDIAN AVE N, SUITE 107
SEATTLE, WA 98133
Social Worker (Clinical)
10740 MERIDIAN AVE N, SUITE 102
SEATTLE, WA 98133
Counselor (Professional)
10740 MERIDIAN AVE N, SUITE 203
SEATTLE, WA 98133
Psychologist (Clinical)
10740 MERIDIAN AVE N, SUITE 110
SEATTLE, WA 98133
Social Worker (Clinical)
10740 MERIDIAN AVE N, SUITE 205
SEATTLE, WA 98133
Psychiatry & Neurology (Psychiatry)
10740 MERIDIAN AVE N, SUITE 101
SEATTLE, WA 98133

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 Stephen Siefert's NPI number?

The NPI number for Stephen Siefert is 1497863013. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Where is Stephen Siefert located?

Stephen Siefert practices at 10740 Meridian Ave N Suite 104, Seattle, WA 98133. The listed phone number is (206) 367-3117.

What is Stephen Siefert'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 Stephen Siefert was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.