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

SIOBHAN CHANDLER LMHCA
NPI 1164370219
Counselor - Mental Health in Bellevue, WA

Q: What is Siobhan Chandler's NPI number?

The NPI number for Siobhan Chandler is 1164370219. It was assigned to this individual provider in the NPPES registry on March 16, 2026.

Q: What is Siobhan Chandler's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Siobhan Chandler was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.

Active since March 16, 2026

14405 SE 36TH ST STE 300, BELLEVUE, WA 98006(425) 429-2450 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 15, 2026, Mar 16, 2026 (2 updates tracked since 2026).

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About Siobhan Chandler Lmhca NPPES

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

SIOBHAN CHANDLER LMHCA (NPI 1164370219) is an individual mental health provider in Bellevue, Washington and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1164370219

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameSIOBHAN CHANDLERCredential: LMHCA

Location Address14405 SE 36TH ST STE 300Bellevue, WA 98006-1588

Mailing Address30405 Se 84th St Unit 236Preston, WA 98050-9804 · (206) 561-1126

Phone(425) 429-2450

Sole ProprietorYes

Enumeration DateMarch 16, 2026

Last NPPES UpdateJuly 15, 20262 updates tracked since enumeration

NPPES CertifiedJuly 15, 2026

✔ NPI 1164370219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

14405 SE 36TH ST STE 300, Bellevue, WA 98006

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Other Providers at the Same Location NPPES 2

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

CARMINA ZAVALA PSYD

Counselor (Mental Health)

14405 SE 36TH ST STE 300
BELLEVUE, WA 98006

King County (626) 975-8243

SHUANG HU

Counselor (Mental Health)

14405 SE 36TH ST STE 300
BELLEVUE, WA 98006

King County (425) 215-3633

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 Siobhan Chandler's NPI number?

The NPI number for Siobhan Chandler is 1164370219. It was assigned to this individual provider in the NPPES registry on March 16, 2026.

Where is Siobhan Chandler located?

Siobhan Chandler practices at 14405 SE 36th St Ste 300, Bellevue, WA 98006. The listed phone number is (425) 429-2450.

What is Siobhan Chandler's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Siobhan Chandler was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.