1. Home
  2. Directory
  3. California
  4. Westlake Village
  5. Social Worker
  6. NPI Profile

SYDNEY GAGNIER
NPI 1659217321
Social Worker in Westlake Village, CA

Active since April 27, 2026
5681 TANNER RIDGE AVE, WESTLAKE VILLAGE, CA 91362(818) 425-3468 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Sydney Gagnier NPPES

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

SYDNEY GAGNIER (NPI 1659217321) is an individual social worker in Westlake Village, California, licensed in California (ASW95812) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1659217321
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameSYDNEY GAGNIER
Location Address5681 TANNER RIDGE AVEWestlake Village, CA 91362-5236
Mailing Address5681 Tanner Ridge AveWestlake Village, CA 91362-5236 · (818) 425-3468
Phone(818) 425-3468
Sole ProprietorYes
Enumeration DateApril 27, 2026
NPPES CertifiedApril 26, 2026
✔ NPI 1659217321 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 CA · ASW95812
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.
5681 TANNER RIDGE AVE, Westlake Village, CA 91362
Open in Google Maps ↗

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 Sydney Gagnier's NPI number?

The NPI number for Sydney Gagnier is 1659217321. It was assigned to this individual provider in the NPPES registry on April 27, 2026.

Where is Sydney Gagnier located?

Sydney Gagnier practices at 5681 Tanner Ridge Ave, Westlake Village, CA 91362. The listed phone number is (818) 425-3468.

What is Sydney Gagnier'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 Sydney Gagnier was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.