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

Mrs. Isabel Marie Longwell, LCSW

Individual provider Clinical Social Worker · NPI 1215640453

Mrs. Isabel Marie Longwell, LCSW is a Clinical Social Worker in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2023.

Licensed in
IL
In the registry since
2023
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

155 N Michigan Ave Ste 201
Chicago, IL 60601-7940
Phone: (312) 819-7381
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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 149024197 (IL)

Record details

NPI number1215640453
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJanuary 3, 2023
Last updated in NPPESJanuary 3, 2023
Certification dateJanuary 3, 2023

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