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

Alison Whittaker Hirst Peterson, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1871808360

Alison Whittaker Hirst Peterson, MS, CCC-SLP is a Speech-Language Pathologist in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2010
Specialties on file
2
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.

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Practice location Address checks out

1959 NE Pacific St
Seattle, WA 98195-0001
Phone: (206) 520-5000
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence LL60182798 (WA)
Speech-Language Pathologist Taxonomy 235Z00000X · Licence SI60116987 (WA)

Record details

NPI number1871808360
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CCC-SLP
Sole proprietorYes
NPI enumeratedAugust 10, 2010
Last updated in NPPESAugust 15, 2023
Certification dateAugust 15, 2023

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