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

MS. Diane M Zimmerman, MSW, LCSW

Individual provider Clinical Social Worker · NPI 1356053045

MS. Diane M Zimmerman, MSW, LCSW is a Clinical Social Worker in Quincy, Illinois. Practices as a sole proprietor and works from 2 locations. Licensed in Missouri and Montana.

Licensed in
MO, MT
In the registry since
2022
Specialties on file
2
What do these letters mean?
MSW — Master of Social Work
The graduate degree in social work.
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

1106 N 20th St
Quincy, IL 62301-2006
Phone: (217) 779-0339
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 235 Progress, Hannibal, MO 63401 — (573) 603-1460

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 2023014190 (MO)
Clinical Social Worker Taxonomy 1041C0700X · Licence BBH-LCSW-LIC-58059 (MT)

Record details

NPI number1356053045
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorYes
NPI enumeratedDecember 14, 2022
Last updated in NPPESFebruary 25, 2026
Certification dateFebruary 25, 2026

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