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

Heather N Knudson, MA, SLP

Individual provider Speech-Language Pathologist · NPI 1356598171

Heather N Knudson, MA, SLP is a Speech-Language Pathologist in Maryville, Illinois. Licensed in Illinois. Registered with an NPI since 2008.

Licensed in
IL
In the registry since
2008
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
SLP — Speech-Language Pathologist
Treats speech, language and swallowing disorders.

See every abbreviation used in this directory →

Practice location Address checks out

6800 State Route 162
Maryville, IL 62062-8500
Phone: (618) 391-5624
Fax: (618) 288-4088
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 242-000795 (IL)

Record details

NPI number1356598171
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , SLP
Sole proprietorNo
NPI enumeratedAugust 22, 2008
Last updated in NPPESAugust 22, 2008

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