Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Tammy Williams Koen, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1609644376

Mrs. Tammy Williams Koen, MS, CCC-SLP is a Speech-Language Pathologist in Johnson City, Tennessee. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2023
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

410 Bellington Dr
Johnson City, TN 37615-4950
Phone: (985) 264-8742
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 2204000416 (VA)

Record details

NPI number1609644376
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CCC-SLP
Sole proprietorYes
NPI enumeratedDecember 12, 2023
Last updated in NPPESDecember 12, 2023
Certification dateDecember 12, 2023

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