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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. HOWARD LUNDSTEN LEONARD PH.D.
NPI 1861480816
Psychologist - Clinical in Seattle, WA

Active since October 12, 2005
818 12TH AVE, SEATTLE, WA 98122(206) 329-5255(206) 726-1878 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Howard Lundsten Leonard Ph.d. NPPES

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

DR. HOWARD LUNDSTEN LEONARD PH.D. (NPI 1861480816) is an individual clinical provider in Seattle, Washington, licensed in Washington (989) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1861480816
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. HOWARD LUNDSTEN LEONARDCredential: PH.D.
Location Address818 12TH AVESeattle, WA 98122-4410
Mailing Address818 12th AveSeattle, WA 98122-4410 · (206) 329-5255 · Fax (206) 726-1878
Phone(206) 329-5255
Fax(206) 726-1878
Sole ProprietorNo
Enumeration DateOctober 12, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1861480816 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in WA · 989
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.
818 12TH AVE, Seattle, WA 98122
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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.

DR. KATHERINE ALEXA SCANTLIN PSY.D.
Psychologist (Clinical)
818 12TH AVE
SEATTLE, WA 98122
King County (206) 329-5255
DR. ANGELA MARIE DAVIS PH.D.
Psychologist (Cognitive & Behavioral)
818 12TH AVE
SEATTLE, WA 98122
King County (206) 329-5255
CHESTER MARK ROBACHINSKI M.D.
Psychiatry & Neurology (Psychiatry)
818 12TH AVE
SEATTLE, WA 98122
King County (206) 328-8216
DR. ELLEN A. BEGLEY PH.D.
Psychologist (Clinical)
818 12TH AVE
SEATTLE, WA 98122
King County (206) 650-4504
DR. AMANDA BEER PHD
Psychologist (Counseling)
818 12TH AVE
SEATTLE, WA 98122
King County (206) 329-5255
DR. ERIK R JACKSON PH.D.
Psychologist (Clinical)
818 12TH AVE
SEATTLE, WA 98122
King County (206) 329-5255
MENTAL BLISS, PLLC
Nurse Practitioner (Psychiatric/Mental Health)
818 12TH AVE
SEATTLE, WA 98122
King County (206) 329-5255
KIM MARIE COLLIER PH.D.
Psychologist (Clinical)
818 12TH AVE
SEATTLE, WA 98122
King County (206) 329-5255

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 Howard Leonard's NPI number?

The NPI number for Howard Leonard is 1861480816. It was assigned to this individual provider in the NPPES registry on October 12, 2005.

Where is Howard Leonard located?

Howard Leonard practices at 818 12th Ave, Seattle, WA 98122. The listed phone number is (206) 329-5255.

What is Howard Leonard's specialty?

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

When was this NPI record last updated?

The NPPES record for Howard Leonard was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.