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

Holly O'Brien, LCSW

Individual provider Clinical Social Worker · NPI 1598575680

Holly O'Brien, LCSW is a Clinical Social Worker in Clay City, Illinois. Qualified in 2006, 20 years ago. Practices with County of Clay, a 79-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
20
Licensed in
IL
In the registry since
2025
What do these letters mean?
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

939 Sunset Rd SW
Clay City, IL 62824-1113
Phone: (618) 662-2131
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 149.012860 (IL)

Record details

NPI number1598575680
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJanuary 10, 2025
Last updated in NPPESJanuary 10, 2025
Certification dateJanuary 10, 2025

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice County Of Clay — 79 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount