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

Katherine D Johnson, LCSW, PLLC

Organization Clinical Social Worker · NPI 1790457869

Katherine D Johnson, LCSW, PLLC is a Clinical Social Worker in Chicago, Illinois. Registered with an NPI since 2021.

In the registry since
2021
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3322 N Ashland Ave Apt 1
Chicago, IL 60657-0196
Phone: (847) 579-9436
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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

Record details

NPI number1790457869
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Katherine Johnson — Owner · (847) 579-9436
NPI enumeratedSeptember 28, 2021
Last updated in NPPESSeptember 28, 2021
Certification dateSeptember 28, 2021
Mailing address2329 N Leavitt St Apt 2, Chicago, IL 60647-0546

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