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 provides Clinical Social Worker services 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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