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

Eileen Duffy Farmer, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1760920383

Eileen Duffy Farmer, MS, CCC-SLP is a Speech-Language Pathologist in Northfield, Illinois. Licensed in Illinois. Registered with an NPI since 2017.

Licensed in
IL
In the registry since
2017
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.

See every abbreviation used in this directory →

Practice location Address checks out

7 Happ Rd
Northfield, IL 60093-3411
Phone: (847) 784-7683
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 146.016437 (IL)

Record details

NPI number1760920383
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CCC-SLP
Sole proprietorNo
NPI enumeratedFebruary 2, 2017
Last updated in NPPESApril 23, 2026
Certification dateApril 23, 2026

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