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

SIDNEY-JON ALLEN
NPI 1396534236
Counselor - Mental Health in Spokane Valley, WA

Active since May 06, 2025
920 N ARGONNE RD STE 309, SPOKANE VALLEY, WA 99212(509) 892-1100(509) 922-7947 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 22, 2026, May 6, 2025 (2 updates tracked since 2025).

About Sidney-jon Allen NPPES

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

SIDNEY-JON ALLEN (NPI 1396534236) is an individual mental health provider in Spokane Valley, Washington, licensed in Washington (MHCA.MC.70129672) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1396534236
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameSIDNEY-JON ALLEN
Location Address920 N ARGONNE RD STE 309Spokane Valley, WA 99212-2722
Mailing Address920 N Argonne Rd Ste 309Spokane Valley, WA 99212-2722 · (509) 892-1100 · Fax (509) 922-7947
Phone(509) 892-1100
Fax(509) 922-7947
Sole ProprietorYes
Enumeration DateMay 6, 2025
Last NPPES UpdateJune 29, 20262 updates tracked since enumeration
NPPES CertifiedJune 29, 2026
✔ NPI 1396534236 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.70129672
920 N ARGONNE RD STE 309, Spokane Valley, WA 99212
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 14

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

GISSELLE ALVARADO
Social Worker (Clinical)
920 N ARGONNE RD STE 309
SPOKANE VALLEY, WA 99212
Spokane County (509) 892-1100
TAYLOR J COLEMAN MS
Counselor
920 N ARGONNE RD STE 309
SPOKANE VALLEY, WA 99212
Spokane County (509) 892-1100
BREEUN JOHNSON
Student in an Organized Health Care Education/Training Program
920 N ARGONNE RD STE 309
SPOKANE VALLEY, WA 99212
Spokane County (509) 892-1100
KAYLEE ANN HUGHES LICSWA
Social Worker (Clinical)
920 N ARGONNE RD STE 309
SPOKANE VALLEY, WA 99212
Spokane County (509) 892-1100
MRS. AMBER NELSON
Student in an Organized Health Care Education/Training Program
920 N ARGONNE RD STE 309
SPOKANE VALLEY, WA 99212
Spokane County (509) 892-1100
PARENTS AND CHILDREN
Psychologist
920 N ARGONNE RD STE 309
SPOKANE VALLEY, WA 99212
Spokane County (509) 892-1100
INANNA IRIS
Counselor (Mental Health)
920 N ARGONNE RD STE 309
SPOKANE VALLEY, WA 99212
Spokane County (509) 892-1100
DR. TIFFANY NICOLE HUSEIN PH.D.
Psychologist
920 N ARGONNE RD STE 309
SPOKANE VALLEY, WA 99212
Spokane County (509) 892-1100

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 Sidney-jon Allen's NPI number?

The NPI number for Sidney-jon Allen is 1396534236. It was assigned to this individual provider in the NPPES registry on May 6, 2025.

Where is Sidney-jon Allen located?

Sidney-jon Allen practices at 920 N Argonne Rd Ste 309, Spokane Valley, WA 99212. The listed phone number is (509) 892-1100.

What is Sidney-jon Allen'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 Sidney-jon Allen was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 47 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.