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DR. STEPHEN ALLEN YOUNKER ED.D.
NPI 1144389529
Psychologist - Group Psychotherapy in Yakima, WA

Active since December 08, 2006
1015 S 40TH AVE, 22, YAKIMA, WA 98908(509) 966-5685(509) 966-5731 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stephen Allen Younker Ed.d. NPPES

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

DR. STEPHEN ALLEN YOUNKER ED.D. (NPI 1144389529) is an individual group psychotherapy provider in Yakima, Washington, licensed in Washington (PSY000732) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1144389529
Entity TypeIndividualMale
Primary Taxonomy103TP2701X
Provider Legal NameDR. STEPHEN ALLEN YOUNKERCredential: ED.D.
Location Address1015 S 40TH AVE, 22Yakima, WA 98908-3806
Mailing Address1015 S 40th Ave, 22Yakima, WA 98908-3806 · (509) 966-5685 · Fax (509) 966-5731
Phone(509) 966-5685
Fax(509) 966-5731
Sole ProprietorNo
Enumeration DateDecember 8, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1144389529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · Group PsychotherapyBehavioral Health & Social Service Providers
Taxonomy Code103TP2701X
License✔ Licensed in WA · PSY000732
Definition
A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group members. The specialty is applicable to all age groups, children, adolescents, adults and older adults, for a wide variety of conditions and concerns, and in numerous and diverse settings.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License PSY000732 (WA)
1015 S 40TH AVE, Yakima, WA 98908
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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.

EAST SLOPE NEUROPSYCHOLOGY, INC.
Exclusive Provider Organization
1015 S 40TH AVE, SUITE 24
YAKIMA, WA 98908
Yakima County (509) 966-2961
SOUL CONNECTIONS, PLLC
Social Worker (Clinical)
1015 S 40TH AVE
YAKIMA, WA 98908
Yakima County (253) 961-3629
ASPIRE WELLNESS GROUP
Naturopath
1015 S 40TH AVE, #18
YAKIMA, WA 98908
Yakima County (509) 965-0850
CENTER FOR COUNSELING & PSYCHOTHERAPY, LLC
Counselor (Addiction (Substance Use Disorder))
1015 S 40TH AVE, SUITE 23
YAKIMA, WA 98908
Yakima County (509) 966-7246
DUANE T. DOLLIVER M.S.
Marriage & Family Therapist
1015 S 40TH AVE, SUITE 23
YAKIMA, WA 98908
Yakima County (509) 966-7246
MR. MARK ALLEN RUDD CDPT
Counselor
1015 S 40TH AVE, SUITE 23
YAKIMA, WA 98908
Yakima County (509) 966-7246

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 Stephen Younker's NPI number?

The NPI number for Stephen Younker is 1144389529. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Where is Stephen Younker located?

Stephen Younker practices at 1015 S 40th Ave 22, Yakima, WA 98908. The listed phone number is (509) 966-5685.

What is Stephen Younker's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Group Psychotherapy, with taxonomy code 103TP2701X.

When was this NPI record last updated?

The NPPES record for Stephen Younker 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.