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

Individual provider Clinical Social Worker · NPI 1386620375

MS. Ella M. Duncan, LCSW is a Clinical Social Worker in O Fallon, Illinois. Qualified in 2001, 25 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
25
Licensed in
IL
In the registry since
2005
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

7 Eagle Ctr Ste B-1
O Fallon, IL 62269-1946
Phone: (618) 726-2041
Fax: (618) 726-2043
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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 149.011508 (IL)

Record details

NPI number1386620375
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedDecember 21, 2005
Last updated in NPPESMarch 7, 2019

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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