Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1619636230 Individual Practitioner Female Practitioner

Claire Matsunami , MSW

Social Worker • Seattle, WA

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Claire Matsunami, MSW is a registered healthcare professional specializing in Social Worker in Seattle, WA. Official NPI practice address is registered at 515 3RD AVE.

Practice Location & Contact Primary Location

Practice Address

515 3rd Ave

Seattle, WA 981042304

Telephone 2099491072
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Social Worker in Seattle, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 13.2 Yrs
State Avg: 15.0 Yrs
Regional Practice Density
476 Specialists

Practicing in Seattle, WA (2183 Statewide)

Telehealth Adoption Rate
0.8% 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: 2025-11-21
Social Worker Primary Specialty

NUCC Taxonomy Code: 104100000X

State License WA SC6147737

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
Natalie Zemaitis , CO60808458

Case Manager/Care Coordinator

NPI 1013488162
NPI 1013577378
Shoshana Peizer

Student in an Organized Health Care Education/Training Program

NPI 1013640127
Benjamin Martin

Peer Specialist

NPI 1013772417
Meredith Case

Social Worker

NPI 1023341633
Latayna Givens

Case Manager/Care Coordinator

NPI 1023588399

Career & Practice History Timeline

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

10 Historical Events
📍
Updated Practice Location November 21, 2025

Registered at 515 3RD AVE, SEATTLE, WA 981042304 (Tel: 2099491072)

📍
Updated Business Mailing Address November 21, 2025

Registered at 14353 WALLINGFORD AVE N, SEATTLE, WA 981337249 (Tel: 2069491072)

👤
Provider Name / Credentials Updated November 21, 2025

Recorded as CLAIRE MATSUNAMI, MSW

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 21, 2025

Social Worker (License #SC6147737 in WA)

NPI Profile Active December 10, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location December 10, 2021

Registered at 2133 3RD AVE, SEATTLE, WA 981212385 (Tel: 2064508608)

📍
Updated Business Mailing Address December 10, 2021

Registered at 2133 3RD AVE, SEATTLE, WA 981212385 (Tel: 2064508608)

👤
Provider Name / Credentials Updated December 10, 2021

Recorded as CLAIRE MATSUNAMI

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 10, 2021

Counselor

🟢
Initial NPI Registration & Enumeration December 10, 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: 1619636230
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 10, 2021
Last Update: November 21, 2025
Sole Proprietor: No

Mailing Address

14353 Wallingford Ave N

Seattle, WA 981337249

Phone: 2069491072

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.