1. Home
  2. Directory
  3. Washington
  4. Seattle
  5. Social Worker
  6. NPI Profile

WILLIAM ALEXANDER YOUNGMAN MSW
NPI 1194535690
Social Worker in Seattle, WA

Active since January 08, 2025
401 5TH AVE, SEATTLE, WA 98104(206) 699-2970 Get Directions Write a Review

NPPES record last updated: January 8, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William Alexander Youngman Msw NPPES

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

WILLIAM ALEXANDER YOUNGMAN MSW (NPI 1194535690) is an individual social worker in Seattle, Washington, licensed in Washington (SA61646797) and active in the NPI registry since January 2025.

NPPES Registry Identity

NPI1194535690
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameWILLIAM ALEXANDER YOUNGMANCredential: MSW
Location Address401 5TH AVESeattle, WA 98104-1818
Mailing Address5723 213th St SwMountlake Terrace, WA 98043-2022 · (206) 406-3161
Phone(206) 699-2970
Sole ProprietorNo
Enumeration DateJanuary 8, 2025
NPPES CertifiedJanuary 7, 2025
✔ NPI 1194535690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in WA · SA61646797
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
401 5TH AVE, Seattle, WA 98104
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

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

SEATTLE-KING COUNTY DEPT OF PUBLIC HEALTH
Clinic/Center (Primary Care)
401 5TH AVE, SUITE 1200
SEATTLE, WA 98104
King County (206) 205-5975
SEATTLE-KING COUNTY DEPT OF PUBLIC HEALTH
Clinical Medical Laboratory
401 5TH AVE, SUITE 1200
SEATTLE, WA 98104
King County (206) 205-5975
PATRICIA KENNEDY M.S.W.
Social Worker (Clinical)
401 5TH AVE, SUITE 1000
SEATTLE, WA 98104
King County (206) 263-8361
SEATTLE-KING COUNTY DEPT OF PUBLIC HEALTH
Case Manager/Care Coordinator
401 5TH AVE, SUITE 1200
SEATTLE, WA 98104
King County (206) 205-5975
SARA YINLING POST RN
Registered Nurse (Maternal Newborn)
401 5TH AVE
SEATTLE, WA 98104
King County (206) 296-4600
LISA HARPER MS, RD
Dietitian, Registered
401 5TH AVE
SEATTLE, WA 98104
King County (850) 528-2543
DR. SHARON LEE FARMER MD
Psychiatry & Neurology (Psychiatry)
401 5TH AVE, SUITE 0400
SEATTLE, WA 98104
King County (206) 263-8945
AIDA FIRSTENBERG
Registered Nurse
401 5TH AVE, SUITE 1000
SEATTLE, WA 98104
King County (206) 477-6912

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 William Youngman's NPI number?

The NPI number for William Youngman is 1194535690. It was assigned to this individual provider in the NPPES registry on January 8, 2025.

Where is William Youngman located?

William Youngman practices at 401 5th Ave, Seattle, WA 98104. The listed phone number is (206) 699-2970.

What is William Youngman's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for William Youngman was last updated on January 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.