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

MS. Rebecca Ann Lotsoff, LCSW

Individual provider Clinical Social Worker · NPI 1689766909

MS. Rebecca Ann Lotsoff, LCSW is a Clinical Social Worker in Chicago, Illinois. Qualified in 2002, 24 years ago. Accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
24
Licensed in
IL
In the registry since
2006
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

30 N Michigan Ave Ste 1126
Chicago, IL 60602-3737
Phone: (312) 259-5769
Fax: (312) 587-8401
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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 149010866 (IL)

Record details

NPI number1689766909
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedSeptember 28, 2006
Last updated in NPPESJune 13, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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