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DR. VALLA PENROSE WALKER PSY.D.
NPI 1043458904
Psychologist - Clinical in Everett, WA

Active since January 30, 2009Opted out of Medicare · through Apr 1, 2027
1721 HEWITT AVE STE 518, EVERETT, WA 98201(425) 595-3511(626) 628-3113 Get Directions Write a Review

NPPES record last updated: May 1, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Valla Penrose Walker Psy.d. NPPES

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

DR. VALLA PENROSE WALKER PSY.D. (NPI 1043458904) is an individual clinical provider in Everett, Washington, licensed in Washington (PY60759292) and active in the NPI registry since January 2009. She has opted out of Medicare through April 1, 2027.

NPPES Registry Identity

NPI1043458904
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. VALLA PENROSE WALKERCredential: PSY.D.
Location Address1721 HEWITT AVE STE 518Everett, WA 98201-3546
Mailing Address1721 Hewitt Ave Ste 518Everett, WA 98201-3546 · (425) 595-3511 · Fax (626) 628-3113
Phone(425) 595-3511
Fax(626) 628-3113
Sole ProprietorYes
Enumeration DateJanuary 30, 2009
Last NPPES UpdateMay 1, 2018
✔ NPI 1043458904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
Licenses✔ Licensed in WA · PY60759292✔ Licensed in CA · PSY22441
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
1721 HEWITT AVE STE 518, Everett, WA 98201
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Valla Penrose Walker Psy.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2025 through April 1, 2027.

Opt-Out Effective DateApril 1, 2025
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

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 Valla Walker's NPI number?

The NPI number for Valla Walker is 1043458904. It was assigned to this individual provider in the NPPES registry on January 30, 2009.

Where is Valla Walker located?

Valla Walker practices at 1721 Hewitt Ave Ste 518, Everett, WA 98201. The listed phone number is (425) 595-3511.

What is Valla Walker's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Valla Walker enrolled in Medicare?

No. Valla Walker has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Valla Walker was last updated on May 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.