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

Karen Malczewski LLC

Organization Clinical Social Worker · NPI 1467798959

Karen Malczewski LLC is a Clinical Social Worker in Naperville, Illinois. Licensed in Illinois. Registered with an NPI since 2013.

Licensed in
IL
In the registry since
2013
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

120 S Webster St Ste 203
Naperville, IL 60540-4479
Phone: (630) 267-4288
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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 149.009842 (IL)

Record details

NPI number1467798959
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Karen Malczewski — Owner · (630) 267-4288
NPI enumeratedJanuary 2, 2013
Last updated in NPPESJanuary 2, 2013
Mailing address2117 Saber Ct, Naperville, IL 60565-2214

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