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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANN C THORWALL LCSW
NPI 1245797927
Social Worker - Clinical in Carol Stream, IL

Active since February 28, 2019
841 TAMARAC DR, CAROL STREAM, IL 60188(630) 779-1658 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 25, 2026, Jan 8, 2026, Feb 28, 2019 (3 updates tracked since 2019).

About Ann C Thorwall Lcsw NPPES

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

ANN C THORWALL LCSW (NPI 1245797927) is an individual clinical provider in Carol Stream, Illinois, licensed in Illinois (149.020861) and active in the NPI registry since February 2019. She maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1245797927
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameANN C THORWALLCredential: LCSW
Location Address841 TAMARAC DRCarol Stream, IL 60188-4427
Mailing Address841 Tamarac DrCarol Stream, IL 60188-4427 · (630) 779-1658
Phone(630) 779-1658
Sole ProprietorYes
Enumeration DateFebruary 28, 2019
Last NPPES UpdateAugust 25, 20263 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1245797927 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 · 149.020861
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.
841 TAMARAC DR, Carol Stream, IL 60188
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Secondary Practice Location 1

Location 1318 W Adams St Ste 1533Chicago, IL 60606-5138 · Phone (888) 500-2067

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 Ann Thorwall's NPI number?

The NPI number for Ann Thorwall is 1245797927. It was assigned to this individual provider in the NPPES registry on February 28, 2019.

Where is Ann Thorwall located?

Ann Thorwall practices at 841 Tamarac Dr, Carol Stream, IL 60188. The listed phone number is (630) 779-1658.

What is Ann Thorwall'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 Ann Thorwall was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.