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

Mrs. Marilyn Kay Deyoung, MACCC-SLP

Individual provider Speech-Language Pathologist · NPI 1134636723

Mrs. Marilyn Kay Deyoung, MACCC-SLP is a Speech-Language Pathologist in Downers Grove, Illinois. Licensed in Illinois. Registered with an NPI since 2018.

Licensed in
IL
In the registry since
2018

Practice location Address checks out

699 Plainfield Rd
Downers Grove, IL 60516-5024
Phone: (630) 783-5167
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 146000371 (IL)

Record details

NPI number1134636723
Entity typeIndividual (Type 1)
GenderFemale
Credentials MACCC-SLP
Sole proprietorNo
NPI enumeratedJanuary 4, 2018
Last updated in NPPESJanuary 4, 2018

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