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

Mrs. Allison Garland Greven, LCSW

Individual provider Clinical Social Worker · NPI 1669126934

Mrs. Allison Garland Greven, LCSW is a Clinical Social Worker in Chicago, Illinois. Qualified in 2014, 12 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
12
Licensed in
IL
In the registry since
2022
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

333 N Michigan Ave Ste 1900
Chicago, IL 60601-3994
Phone: (312) 964-4614
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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 149019597 (IL)

Record details

NPI number1669126934
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedFebruary 7, 2022
Last updated in NPPESFebruary 7, 2022
Certification dateFebruary 7, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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