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

Catherine O'Sullivan, MSW, LCSW

Individual provider Clinical Social Worker · NPI 1184160285

Catherine O'Sullivan, MSW, LCSW is a Clinical Social Worker in Saint Louis, Missouri. Qualified in 2008, 18 years ago. Licensed in Missouri.

Years since qualifying
18
Licensed in
MO
In the registry since
2017
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.

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Practice location Address checks out

1001 Lynch St
Saint Louis, MO 63118-1818
Phone: (314) 535-5600
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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 2014043839 (MO)

Record details

NPI number1184160285
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSW , LCSW
Sole proprietorNo
NPI enumeratedJanuary 12, 2017
Last updated in NPPESJuly 29, 2026
Certification dateJuly 29, 2026

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Accepts Medicare assignment Not indicated

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