Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1902763477 Individual Practitioner Female Practitioner

Tabitha S Knowlton

Speech-Language Pathologist • Issaquah, WA

Professional Overview & Biography Verified Profile Summary

Tabitha Knowlton is a registered healthcare professional specializing in Speech-Language Pathologist in Issaquah, WA. Practice services are available at 5150 220TH AVE SE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

5150 220th Ave Se

Issaquah, WA 980296834

Telephone 4258377000

Specialty Benchmarks & Practice Insights

Comparative analytics for Speech-Language Pathologist in Issaquah, WA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 12.0 Yrs
State Avg: 12.1 Yrs
Regional Practice Density
80 Specialists

Practicing in Issaquah, WA (4167 Statewide)

Telehealth Adoption Rate
0.0% 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: 2026-01-14
Speech-Language Pathologist Primary Specialty

NUCC Taxonomy Code: 235Z00000X

State License WA LL61581740

The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

Practice Associates & Co-Workers

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

8 Associated Practitioners
Irene Ragan , MS, CCC-SLP

Speech-Language Pathologist

NPI 1154271989

Master of Science, Speech-Language Pathologist (Certificate of Clinical Competence)

Andrea Quintanares , COTA, L

Occupational Therapy Assistant

NPI 1215796297

Certified Occupational Therapy Assistant, L

Cynthia Hendrickson , OT, L

Occupational Therapist

NPI 1407261142

Occupational Therapist, L

Trista Steele

Speech-Language Pathologist

NPI 1487055109
Nancy Shepherd , COTA

Occupational Therapy Assistant

NPI 1487754388

Certified Occupational Therapy Assistant

NPI 1548505449

Occupational Therapist Registered, L

Career & Practice History Timeline

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

7 Historical Events
📍
Updated Business Mailing Address January 14, 2026

Registered at 16649 SE 69TH WAY, BELLEVUE, WA 980065675 (Tel: 4254954118)

NPI Profile Active January 07, 2026

NPI status registered as active in NPPES database

📍
Updated Practice Location January 07, 2026

Registered at 5150 220TH AVE SE, ISSAQUAH, WA 980296834 (Tel: 4258377000)

📍
Updated Business Mailing Address January 07, 2026

Registered at 5150 220TH AVE SE, ISSAQUAH, WA 980296834

👤
Provider Name / Credentials Updated January 07, 2026

Recorded as TABITHA KNOWLTON

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 07, 2026

Speech-Language Pathologist (License #LL61581740 in WA)

🟢
Initial NPI Registration & Enumeration January 07, 2026

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: 1902763477
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 07, 2026
Last Update: January 14, 2026
Sole Proprietor: No

Mailing Address

16649 Se 69th Way

Bellevue, WA 980065675

Phone: 4254954118

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