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

SYLVAIN LA LSWAIC
NPI 1437053535
Social Worker in Seattle, WA

Active since October 05, 2026
400 N 34TH ST STE 320, SEATTLE, WA 98103(206) 486-8270 Get Directions Write a Review

NPPES record added: October 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 15, 2026, Oct 5, 2026 (2 updates tracked since 2026).

About Sylvain La Lswaic NPPES

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

SYLVAIN LA LSWAIC (NPI 1437053535) is an individual social worker in Seattle, Washington, licensed in Washington (SWIA.SC.70138861) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1437053535
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameSYLVAIN LACredential: LSWAIC
Location Address400 N 34TH ST STE 320Seattle, WA 98103-5296
Mailing Address3830 S 176th StSeatac, WA 98188-4152
Phone(206) 486-8270
Sole ProprietorNo
Enumeration DateOctober 5, 2026
Last NPPES UpdateOctober 15, 20262 updates tracked since enumeration
NPPES CertifiedOctober 15, 2026
✔ NPI 1437053535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in WA · SWIA.SC.70138861
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
400 N 34TH ST STE 320, Seattle, WA 98103
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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.

ELIZABETH DAVISSON
Social Worker
400 N 34TH ST STE 320
SEATTLE, WA 98103
King County (206) 486-8270
DOMINIQUE SAVAGE B.A, M.A.
Counselor (Mental Health)
400 N 34TH ST STE 320
SEATTLE, WA 98103
King County (206) 486-8270
CARMEN VALENZUELA
Social Worker
400 N 34TH ST STE 320
SEATTLE, WA 98103
King County (564) 238-3068
CALVIN WILLIAMS
Social Worker
400 N 34TH ST STE 320
SEATTLE, WA 98103
King County (206) 385-7864
RILEY C EVANS
Counselor (Mental Health)
400 N 34TH ST STE 320
SEATTLE, WA 98103
King County (206) 486-8270
EMILY SOUERS
Nurse Practitioner (Psychiatric/Mental Health)
400 N 34TH ST STE 320
SEATTLE, WA 98103
King County (206) 486-8270
WESLEY D WEIDLE PA-C
Physician Assistant
400 N 34TH ST STE 320
SEATTLE, WA 98103
King County (206) 486-8270
MS. KATHERINE RAE HAMILTON
Social Worker
400 N 34TH ST STE 320
SEATTLE, WA 98103
King County (564) 238-3068

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 Sylvain La's NPI number?

The NPI number for Sylvain La is 1437053535. It was assigned to this individual provider in the NPPES registry on October 5, 2026.

Where is Sylvain La located?

Sylvain La practices at 400 N 34th St Ste 320, Seattle, WA 98103. The listed phone number is (206) 486-8270.

What is Sylvain La's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Sylvain La was last updated on October 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.