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

Mary M Williams, COTA/L

Individual provider Occupational Therapy Assistant · NPI 1730604018

Mary M Williams, COTA/L is an Occupational Therapy Assistant in Wauconda, Illinois. Licensed in Illinois. Registered with an NPI since 2017.

Licensed in
IL
In the registry since
2017
What do these letters mean?
COTA/L — Certified Occupational Therapy Assistant, Licensed
An occupational therapy assistant who is both certified and state licensed.

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Practice location Address checks out

152 N Ave
Wauconda, IL 60084-1874
Phone: (847) 927-8879
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Therapy Assistant (primary) Taxonomy 224Z00000X · Licence 057.004758 (IL)

Record details

NPI number1730604018
Entity typeIndividual (Type 1)
GenderFemale
Credentials COTA/L
Sole proprietorNo
NPI enumeratedAugust 8, 2017
Last updated in NPPESJuly 21, 2022

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