Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1578231619 Individual Practitioner Male Practitioner

Alex Leigh Williams

Social Worker • Bellevue, WA

Professional Overview & Biography Verified Profile Summary

Alex Williams is a registered healthcare professional specializing in Social Worker in Bellevue, WA. Practice services are available at 999 164TH AVE NE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

999 164th Ave Ne

Bellevue, WA 980083518

Telephone 2069012000
Associated Practice Facility / Clinic
🏢 Youth Eastside Services Facility NPI 1356496335

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker in Bellevue, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.5 Yrs
State Avg: 15.0 Yrs
Regional Practice Density
49 Specialists

Practicing in Bellevue, WA (2183 Statewide)

Telehealth Adoption Rate
4.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-01-02
Social Worker Primary Specialty

NUCC Taxonomy Code: 104100000X

State License WA SC61569131

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
NPI 1003455106
Ellen Wastell

Counselor

NPI 1003635079
Leon Markey

Counselor

NPI 1013559160
Tamiim Kamali

Counselor

NPI 1013569409
NPI 1013613207

Registered Nurse, Bachelor of Science in Nursing

NPI 1013708205

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 02, 2026

Social Worker (License #SC61569131 in WA)

📍
Updated Practice Location August 23, 2024

Registered at 999 164TH AVE NE, BELLEVUE, WA 980083518 (Tel: 2069012000)

📍
Updated Business Mailing Address August 23, 2024

Registered at 999 164TH AVE NE, BELLEVUE, WA 980083518 (Tel: 2068996254)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 23, 2024

Counselor

📍
Updated Practice Location August 14, 2023

Registered at 13555 NE BEL RED RD STE 228, BELLEVUE, WA 980052324 (Tel: 2069012000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 14, 2023

Student in an Organized Health Care Education/Training Program

NPI Profile Active September 02, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location September 02, 2021

Registered at 14216 NE 21ST ST, BELLEVUE, WA 980073720 (Tel: 4256534900)

📍
Updated Business Mailing Address September 02, 2021

Registered at 6400 SOUTHCENTER BLVD, TUKWILA, WA 981882547 (Tel: 2069012041)

👤
Provider Name / Credentials Updated September 02, 2021

Recorded as ALEX WILLIAMS

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 02, 2021

Counselor

🟢
Initial NPI Registration & Enumeration September 02, 2021

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1578231619
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 02, 2021
Last Update: January 02, 2026
Sole Proprietor: No

Mailing Address

999 164th Ave Ne

Bellevue, WA 980083518

Phone: 2068996254

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.