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

DR. CLARKE ST.DENNIS RPH, PHD, BCPP
NPI 1063492775
Pharmacist - Psychiatric in Medical Lake, WA

Q: What is Clarke St.dennis's NPI number?

The NPI number for Clarke St.dennis is 1063492775. It was assigned to this individual provider in the NPPES registry on January 19, 2006.

Q: What is Clarke St.dennis's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Psychiatric, with taxonomy code 1835P1300X.

Q: When was this NPI record last updated?

The NPPES record for Clarke St.dennis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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 January 19, 2006

850 WEST MAPLE STREET, EASTERN STATE HOSPITAL, MEDICAL LAKE, WA 99022(509) 299-4466 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Clarke St.dennis Rph, Phd, Bcpp NPPES

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

DR. CLARKE ST.DENNIS RPH, PHD, BCPP (NPI 1063492775) is an individual psychiatric provider in Medical Lake, Washington, licensed in Washington (PH00009320) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1063492775

Entity TypeIndividualMale

Primary Taxonomy1835P1300X

Provider Legal NameDR. CLARKE ST.DENNISCredential: RPH, PHD, BCPP

Location Address850 WEST MAPLE STREET, EASTERN STATE HOSPITALMedical Lake, WA 99022

Mailing Address1421 S Kahuna DrSpokane Valley, WA 99212-3243 · (509) 220-9326 · Fax (509) 358-7744

Phone(509) 299-4466

Sole ProprietorNo

Enumeration DateJanuary 19, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1063492775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacist · PsychiatricPharmacy Service Providers

Taxonomy Code1835P1300X

License✔ Licensed in WA · PH00009320

Definition

A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing care of patients with psychiatric illness by assessing and monitoring patients, recognizing drug-induced problems, and recommending appropriate treatment plans.

850 WEST MAPLE STREET, Medical Lake, WA 99022

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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.

MRS. DEBRA JEAN CLINTON PA-C

Physician Assistant (Medical)

850 WEST MAPLE STREET
MEDICAL LAKE, WA 99022

Spokane County (509) 565-4000

DR. PAUL D MORRISON MD

Psychiatry & Neurology (Psychiatry)

850 WEST MAPLE STREET, EASTERN STATE HOSPITAL
MEDICAL LAKE, WA 99022

Spokane County (509) 565-4000

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 Clarke St.dennis's NPI number?

The NPI number for Clarke St.dennis is 1063492775. It was assigned to this individual provider in the NPPES registry on January 19, 2006.

Where is Clarke St.dennis located?

Clarke St.dennis practices at 850 West Maple Street Eastern State Hospital, Medical Lake, WA 99022. The listed phone number is (509) 299-4466.

What is Clarke St.dennis's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Psychiatric, with taxonomy code 1835P1300X.

When was this NPI record last updated?

The NPPES record for Clarke St.dennis was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.