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JOHN LUDWIG LSW
NPI 1255164455
Social Worker - Clinical in Chicago, IL

Active since August 22, 2024
4433 N RAVENSWOOD AVE STE 210, CHICAGO, IL 60640(773) 876-8763(872) 315-3138 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 23, 2026, Aug 22, 2024 (2 updates tracked since 2024).

About John Ludwig Lsw NPPES

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

JOHN LUDWIG LSW (NPI 1255164455) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149031732) and active in the NPI registry since August 2024.

NPPES Registry Identity

NPI1255164455
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameJOHN LUDWIGCredential: LSW
Location Address4433 N RAVENSWOOD AVE STE 210Chicago, IL 60640-7755
Mailing Address4433 N Ravenswood Ave Ste 210Chicago, IL 60640-7755 · (773) 876-8763 · Fax (872) 315-3138
Phone(773) 876-8763
Fax(872) 315-3138
Sole ProprietorNo
Enumeration DateAugust 22, 2024
Last NPPES UpdateJune 18, 20262 updates tracked since enumeration
NPPES CertifiedJune 18, 2026
✔ NPI 1255164455 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 · 149031732
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.
4433 N RAVENSWOOD AVE STE 210, Chicago, IL 60640
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Other Providers at the Same Location NPPES 15

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

JONATHAN HEIBERGER LPC
Counselor (Mental Health)
4433 N RAVENSWOOD AVE STE 210
CHICAGO, IL 60640
Cook County (773) 876-8763
ABIGAIL R COMPERNOLLE LSW
Social Worker (Clinical)
4433 N RAVENSWOOD AVE STE 210
CHICAGO, IL 60640
Cook County (773) 876-8763
JACOB HOSIER
Social Worker
4433 N RAVENSWOOD AVE STE 210
CHICAGO, IL 60640
Cook County (773) 876-8763
CATALYST CLINICAL GROUP, INC
Social Worker (Clinical)
4433 N RAVENSWOOD AVE STE 210
CHICAGO, IL 60640
Cook County (312) 834-5487
EMILY GUMM MSW
Social Worker (Clinical)
4433 N RAVENSWOOD AVE STE 210
CHICAGO, IL 60640
Cook County (312) 448-7218
COURTENIE TACCOLINI LPC
Counselor (Mental Health)
4433 N RAVENSWOOD AVE STE 210
CHICAGO, IL 60640
Cook County (312) 834-5487
MR. CLAIRE E SONNE LSW
Social Worker (Clinical)
4433 N RAVENSWOOD AVE STE 210
CHICAGO, IL 60640
Cook County (312) 834-5487
MR. LUCAS BYRON SWENINK LCSW, CADC
Social Worker (Clinical)
4433 N RAVENSWOOD AVE STE 210
CHICAGO, IL 60640
Cook County (312) 834-5487

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 John Ludwig's NPI number?

The NPI number for John Ludwig is 1255164455. It was assigned to this individual provider in the NPPES registry on August 22, 2024.

Where is John Ludwig located?

John Ludwig practices at 4433 N Ravenswood Ave Ste 210, Chicago, IL 60640. The listed phone number is (773) 876-8763.

What is John Ludwig'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 John Ludwig was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 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.