MARI DEBRA HOROWITZ LCSW
NPI 1578423364
Social Worker - Clinical in Chicago, IL

Active since November 13, 2025
150 E HURON ST FL 13, CHICAGO, IL 60611(866) 760-8876 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mari Debra Horowitz Lcsw NPPES

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

MARI DEBRA HOROWITZ LCSW (NPI 1578423364) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149.029764) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1578423364
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARI DEBRA HOROWITZCredential: LCSW
Location Address150 E HURON ST FL 13Chicago, IL 60611-2999
Mailing Address150 E Huron St Fl 13Chicago, IL 60611-2999 · (866) 760-8876
Sole ProprietorNo
Enumeration DateNovember 13, 2025
NPPES CertifiedNovember 13, 2025
NPI 1578423364 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 · 149.029764
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.
150 E HURON ST FL 13, Chicago, IL 60611

Other Providers at the Same Location NPPES 7

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

Dietitian, Registered
150 E HURON ST FL 13
CHICAGO, IL 60611
Dietitian, Registered
150 E HURON ST FL 13
CHICAGO, IL 60611
Dietitian, Registered
150 E HURON ST FL 13
CHICAGO, IL 60611
Social Worker (Clinical)
150 E HURON ST FL 13
CHICAGO, IL 60611
Pediatrics
150 E HURON ST FL 13
CHICAGO, IL 60611
Dietitian, Registered
150 E HURON ST FL 13
CHICAGO, IL 60611
Dietitian, Registered
150 E HURON ST FL 13
CHICAGO, IL 60611

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 Mari Horowitz's NPI number?

The NPI number for Mari Horowitz is 1578423364. It was assigned to this individual provider in the NPPES registry on November 13, 2025.

Where is Mari Horowitz located?

Mari Horowitz practices at 150 E Huron St Fl 13, Chicago, IL 60611. The listed phone number is (866) 760-8876.

What is Mari Horowitz'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 Mari Horowitz was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.