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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

JOSHUA STEVEN LEIFSON
NPI 1821918228
Peer Specialist in Auburn, WA

Active since July 16, 2026
17813 SE 392ND ST, AUBURN, WA 98092(253) 804-8752 Get Directions Write a Review

NPPES record added: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Joshua Steven Leifson NPPES

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

JOSHUA STEVEN LEIFSON (NPI 1821918228) is an individual peer specialist in Auburn, Washington, licensed in Washington (CPST.PE.70159333) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1821918228
Entity TypeIndividualMale
Primary Taxonomy175T00000X
Provider Legal NameJOSHUA STEVEN LEIFSON
Location Address17813 SE 392ND STAuburn, WA 98092-9126
Mailing Address17813 Se 392nd StAuburn, WA 98092-9126 · (253) 804-8752
Phone(253) 804-8752
Sole ProprietorYes
Enumeration DateJuly 16, 2026
NPPES CertifiedJuly 16, 2026
✔ NPI 1821918228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPeer SpecialistOther Service Providers
Taxonomy Code175T00000X
License✔ Licensed in WA · CPST.PE.70159333
Definition
Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.
17813 SE 392ND ST, Auburn, WA 98092
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Other Providers at the Same Location NPPES 8

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

SIEGLINDE G PARKER
Counselor (Addiction (Substance Use Disorder))
17813 SE 392ND ST
AUBURN, WA 98092
King County (253) 804-8752
HENRY CARRANZA
Counselor (Addiction (Substance Use Disorder))
17813 SE 392ND ST
AUBURN, WA 98092
King County (253) 804-8752
YUN HEE CHANG
Counselor (Mental Health)
17813 SE 392ND ST
AUBURN, WA 98092
King County (253) 804-8752
JORDAN JOSEPH JOHN CPST.PE.70136850
Peer Specialist
17813 SE 392ND ST
AUBURN, WA 98092
King County (253) 804-8752
MUCKLESHOOT BEHAVIORAL HEALTH
Community/Behavioral Health
17813 SE 392ND ST
AUBURN, WA 98092
King County (253) 804-8752
JESSICA LAUREN ELDER LICSW
Social Worker (Clinical)
17813 SE 392ND ST
AUBURN, WA 98092
King County (253) 508-4511
SIEGLINDE PARKER
Clinic/Center (Rehabilitation, Substance Use Disorder)
17813 SE 392ND ST
AUBURN, WA 98092
King County (253) 333-3605
BRIANNA PEREZ
Counselor (Addiction (Substance Use Disorder))
17813 SE 392ND ST
AUBURN, WA 98092
King County (253) 804-8752

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 Joshua Leifson's NPI number?

The NPI number for Joshua Leifson is 1821918228. It was assigned to this individual provider in the NPPES registry on July 16, 2026.

Where is Joshua Leifson located?

Joshua Leifson practices at 17813 SE 392nd St, Auburn, WA 98092. The listed phone number is (253) 804-8752.

What is Joshua Leifson's specialty?

The primary specialty registered for this NPI is Peer Specialist with taxonomy code 175T00000X.

When was this NPI record last updated?

The NPPES record for Joshua Leifson was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.