Althea R Olson , LCSW
Social Worker - Clinical • Plainfield, IL
Professional Overview & Biography Verified Profile Summary
Althea Olson, LCSW is a registered healthcare professional specializing in Social Worker - Clinical in Plainfield, IL. Practice services are available at 15724 S ROUTE 59 STE 102 under active NPI credentials.
Practice Location & Contact Primary Location
15724 S Route 59 Ste 102
Plainfield, IL 605442806
Specialty Benchmarks & Practice Insights
Comparative analytics for Social Worker - Clinical in Plainfield, IL
Practicing in Plainfield, IL (14000 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-06-24NUCC Taxonomy Code: 1041C0700X
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Secondary Practice Locations
2677 Us Highway 34 Ste C
Oswego, IL 605438660
Phone: 6305278877
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Counselor - Mental Health
MSINTERN
Social Worker
Social Worker
Licensed Social Worker
Social Worker
Social Worker
Social Worker
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 15724 S ROUTE 59 STE 102, PLAINFIELD, IL 605442806 (Tel: 6305278877)
Registered at 15724 S ROUTE 59 STE 102, PLAINFIELD, IL 605442806 (Tel: 6305278877)
Registered at 24047 W LOCKPORT ST STE 201F, PLAINFIELD, IL 605441680 (Tel: 6305278877)
Registered at 24047 W LOCKPORT ST STE 201F, PLAINFIELD, IL 605441680 (Tel: 6305278877)
NPI status registered as active in NPPES database
Registered at 123W WASHINGTON ST 321, OSWEGO, IL 605438297 (Tel: 6303832077)
Registered at 123W WASHINGTON ST 321, OSWEGO, IL 605438297 (Tel: 6303832077)
Recorded as ALTHEA OLSON, LCSW
Social Worker (License #149008446 in IL)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
15724 S Route 59 Ste 102
Plainfield, IL 605442806
Phone: 6305278877
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.