MS. HARRIET CANNON M.C.
NPI 1215068713
Counselor - Mental Health in Seattle, WA

Q: What is Harriet Cannon's NPI number?

The NPI number for Harriet Cannon is 1215068713. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Q: What is Harriet Cannon'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 Harriet Cannon was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since March 08, 2007

150 NICKERSON STREET, SUITE 203, SEATTLE, WA 98109(206) 352-1900 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ms. Harriet Cannon M.c. NPPES

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

MS. HARRIET CANNON M.C. (NPI 1215068713) is an individual mental health provider in Seattle, Washington, licensed in Washington (LH00005176) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1215068713

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMS. HARRIET CANNONCredential: M.C.

Location Address150 NICKERSON STREET, SUITE 203Seattle, WA 98109-1634

Mailing Address150 Nickerson Street, Suite 203Seattle, WA 98109-1634 · (206) 352-1900

Phone(206) 352-1900

Sole ProprietorYes

Enumeration DateMarch 8, 2007

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1215068713 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in WA · LH00005176

Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License LF00001658 (WA)

150 NICKERSON STREET, Seattle, WA 98109

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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 Harriet Cannon's NPI number?

The NPI number for Harriet Cannon is 1215068713. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Where is Harriet Cannon located?

Harriet Cannon practices at 150 Nickerson Street Suite 203, Seattle, WA 98109. The listed phone number is (206) 352-1900.

What is Harriet Cannon'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 Harriet Cannon was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.