Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Penny Alissa Tonn, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1346747557

Penny Alissa Tonn, MS, CCC-SLP is a Speech-Language Pathologist in Seattle, Washington. Works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2018
What do these letters mean?
MS — Master of Science
A graduate science degree.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

3417 Evanston Ave N
Seattle, WA 98103-8626
Phone: (307) 299-9601
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 10212 41st Ave Sw, Seattle, WA 98146-1109 — (307) 299-9601

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence LL60840634 (WA)

Record details

NPI number1346747557
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CCC-SLP
Sole proprietorNo
NPI enumeratedApril 12, 2018
Last updated in NPPESJanuary 1, 2023
Certification dateJanuary 1, 2023

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