HALLIE GAO LMHCA
NPI 1134086457
Counselor - Mental Health in Seattle, WA

Active since January 07, 2026
6512 23RD AVE NW, SEATTLE, WA 98117(206) 502-5941 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Hallie Gao Lmhca NPPES

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

HALLIE GAO LMHCA (NPI 1134086457) is an individual mental health provider in Seattle, Washington, licensed in Washington (MHCA.MC.70008159) and active in the NPI registry since January 2026. The provider maintains a secondary practice location in Redmond.

NPPES Registry Identity

NPI1134086457
Entity TypeIndividual
Primary Taxonomy101YM0800X
Provider Legal NameHALLIE GAOCredential: LMHCA
Location Address6512 23RD AVE NWSeattle, WA 98117-5728
Mailing Address16115 Ne 103rd StRedmond, WA 98052-3031
Sole ProprietorNo
Enumeration DateJanuary 7, 2026
NPPES CertifiedJanuary 7, 2026
NPI 1134086457 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in WA · MHCA.MC.70008159
6512 23RD AVE NW, Seattle, WA 98117

Other Names 1

Former Name (1)Hallie Reichel

Secondary Practice Location 1

Location 116115 NE 103rd StRedmond, WA 98052-3031 · Phone (206) 502-5941

Other Providers at the Same Location NPPES 6

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

Counselor (Mental Health)
6512 23RD AVE NW
SEATTLE, WA 98117
Counselor (Mental Health)
6512 23RD AVE NW
SEATTLE, WA 98117
Counselor (Professional)
6512 23RD AVE NW
SEATTLE, WA 98117
Counselor (Professional)
6512 23RD AVE NW
SEATTLE, WA 98117
Counselor (Mental Health)
6512 23RD AVE NW
SEATTLE, WA 98117
Counselor (Mental Health)
6512 23RD AVE NW
SEATTLE, WA 98117

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 Hallie Gao's NPI number?

The NPI number for Hallie Gao is 1134086457. It was assigned to this individual provider in the NPPES registry on January 7, 2026. The provider is also known as Hallie Reichel.

Where is Hallie Gao located?

Hallie Gao practices at 6512 23rd Ave NW, Seattle, WA 98117. The listed phone number is (206) 502-5941.

What is Hallie Gao'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 Hallie Gao was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.