MR. WILLIAM F GRIMSMAN MA
NPI 1467458554
Counselor - Mental Health in Seattle, WA

Q: What is William Grimsman's NPI number?

The NPI number for William Grimsman is 1467458554. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Q: What is William Grimsman'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 William Grimsman was last updated on October 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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 June 22, 2005

619 N. 35TH ST., SUITE 317, SEATTLE, WA 98103(206) 919-1874 Get Directions Write a Review

NPPES record last updated: October 4, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mr. William F Grimsman Ma NPPES

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

MR. WILLIAM F GRIMSMAN MA (NPI 1467458554) is an individual mental health provider in Seattle, Washington, licensed in Washington (RC00049016) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1467458554

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameMR. WILLIAM F GRIMSMANCredential: MA

Location Address619 N. 35TH ST., SUITE 317Seattle, WA 98103-8642

Mailing Address619 N. 35th St., Suite 317Seattle, WA 98103-8642 · (206) 919-1874

Phone(206) 919-1874

Sole ProprietorYes

Enumeration DateJune 22, 2005

Last NPPES UpdateOctober 4, 2011

✔ NPI 1467458554 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 · RC00049016

619 N. 35TH ST., Seattle, WA 98103

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include PacificSource Health Plans.Insurance ›

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 William Grimsman's NPI number?

The NPI number for William Grimsman is 1467458554. It was assigned to this individual provider in the NPPES registry on June 22, 2005.

Where is William Grimsman located?

William Grimsman practices at 619 N. 35th St. Suite 317, Seattle, WA 98103. The listed phone number is (206) 919-1874.

What is William Grimsman's specialty?

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

What insurance does William Grimsman accept?

Health plans from PacificSource Health Plans list William Grimsman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Grimsman was last updated on October 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.