REX FIELDS LCSW
NPI 1427901818
Social Worker - Clinical in Chicago, IL

Active since February 17, 2026
1138 S MASON AVE, CHICAGO, IL 60644(773) 351-8033 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Rex Fields Lcsw NPPES

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

REX FIELDS LCSW (NPI 1427901818) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149-027664) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1427901818
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameREX FIELDSCredential: LCSW
Location Address1138 S MASON AVEChicago, IL 60644-5395
Mailing AddressPo Box 1675Oak Park, IL 60304-0602 · (773) 351-8033
Sole ProprietorYes
Enumeration DateFebruary 17, 2026
NPPES CertifiedFebruary 17, 2026
NPI 1427901818 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 · 149-027664
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.
1138 S MASON AVE, Chicago, IL 60644

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 Rex Fields's NPI number?

The NPI number for Rex Fields is 1427901818. It was assigned to this individual provider in the NPPES registry on February 17, 2026.

Where is Rex Fields located?

Rex Fields practices at 1138 S Mason Ave, Chicago, IL 60644. The listed phone number is (773) 351-8033.

What is Rex Fields'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 Rex Fields was last updated on February 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.