Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DIANE DELEONARDO LCSW
NPI 1023932027
Social Worker - Clinical in Springfield, IL

Active since August 05, 2026
901 N 1ST ST STE 225, SPRINGFIELD, IL 62702(217) 788-4065(217) 788-4147 Get Directions Write a Review

NPPES record added: August 5, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Diane Deleonardo Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANE DELEONARDO LCSW (NPI 1023932027) is an individual clinical provider in Springfield, Illinois, licensed in Illinois (149029637) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1023932027
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDIANE DELEONARDOCredential: LCSW
Location Address901 N 1ST ST STE 225Springfield, IL 62702-3760
Mailing Address901 N 1st St Ste 225Springfield, IL 62702-3760 · (217) 788-4065 · Fax (217) 788-4147
Fax(217) 788-4147
Sole ProprietorNo
Enumeration DateAugust 5, 2026
NPPES CertifiedAugust 5, 2026
NPI 1023932027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in IL · 149029637
Definition
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.
901 N 1ST ST STE 225, Springfield, IL 62702

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor (Professional)
901 N 1ST ST STE 225
SPRINGFIELD, IL 62702
Counselor
901 N 1ST ST STE 225
SPRINGFIELD, IL 62702
Social Worker
901 N 1ST ST STE 225
SPRINGFIELD, IL 62702
Counselor (Professional)
901 N 1ST ST STE 225
SPRINGFIELD, IL 62702
Counselor (Professional)
901 N 1ST ST STE 225
SPRINGFIELD, IL 62702
Social Worker (Clinical)
901 N 1ST ST STE 225
SPRINGFIELD, IL 62702
Counselor (Professional)
901 N 1ST ST STE 225
SPRINGFIELD, IL 62702
Counselor (Professional)
901 N 1ST ST STE 225
SPRINGFIELD, IL 62702

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diane Deleonardo's NPI number?

The NPI number for Diane Deleonardo is 1023932027. It was assigned to this individual provider in the NPPES registry on August 5, 2026.

Where is Diane Deleonardo located?

Diane Deleonardo practices at 901 N 1st St Ste 225, Springfield, IL 62702. The listed phone number is (217) 788-4065.

What is Diane Deleonardo's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Diane Deleonardo was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.