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

Sarah L. McMahon, LCSW, LLC

Organization Clinical Social Worker · NPI 1790227742

Sarah L. McMahon, LCSW, LLC is a Clinical Social Worker in Lombard, Illinois. Licensed in Illinois. Registered with an NPI since 2016.

Licensed in
IL
In the registry since
2016
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

450 E 22nd St Ste 150
Lombard, IL 60148-6113
Phone: (312) 404-2191
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 149014463 (IL)

Record details

NPI number1790227742
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sarah McMahon — Manager/Clinician · (312) 404-2191
NPI enumeratedNovember 8, 2016
Last updated in NPPESNovember 8, 2016
Mailing address22w785 Red Oak Dr, Glen Ellyn, IL 60137-7220

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