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

Mrs. Sonja M Dewey, MS, LMFT

Individual provider Marriage & Family Therapist · NPI 1457457277

Mrs. Sonja M Dewey, MS, LMFT is a Marriage & Family Therapist in Gurnee, Illinois. Practices as a sole proprietor and works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MS — Master of Science
A graduate science degree.
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

4343 Old Grand Ave # 205
Gurnee, IL 60031-2767
Phone: (224) 656-7486
Show map & directions

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

Additional practice locations (1)

  • 2018 Dawn Ln, Zion, IL 60099-5108 — (847) 731-3192

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 166-000663 (IL)

Record details

NPI number1457457277
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , LMFT
Sole proprietorYes
NPI enumeratedSeptember 16, 2006
Last updated in NPPESJuly 21, 2022

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