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

Gavin O'Neil, LISW, LCSW

Individual provider Clinical Social Worker · NPI 1669152336

Gavin O'Neil, LISW, LCSW is a Clinical Social Worker in Carthage, Illinois. Qualified in 2017, 9 years ago. Practices with Memorial Hospital Association, a 38-clinician group and accepts Medicare assignment. Licensed in Iowa and Illinois.

Years since qualifying
9
Licensed in
IA, IL
In the registry since
2023
Specialties on file
2
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.
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

1450 N County Road 2050 E
Carthage, IL 62321-3551
Phone: (217) 357-2173
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 149025797 (IL)
Clinical Social Worker Taxonomy 1041C0700X · Licence 098983 (IA)

Record details

NPI number1669152336
Entity typeIndividual (Type 1)
GenderMale
Credentials LISW , LCSW
Sole proprietorYes
NPI enumeratedJuly 19, 2023
Last updated in NPPESAugust 16, 2023
Certification dateAugust 16, 2023

Medicare enrollment

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

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Memorial Hospital Association — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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