KATHERINE HAHN
NPI 1336009257
Social Worker - Clinical in Chicago, IL

Active since November 13, 2025
111 W JACKSON BLVD STE 1700, CHICAGO, IL 60604(646) 941-7645 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 23, 2026, Nov 13, 2025 (2 updates tracked since 2025).

About Katherine Hahn NPPES

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

KATHERINE HAHN (NPI 1336009257) is an individual clinical provider in Chicago, Illinois, licensed in Illinois (149.025482) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1336009257
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHERINE HAHN
Location Address111 W JACKSON BLVD STE 1700Chicago, IL 60604-3597
Mailing Address111 W Jackson Blvd Ste 1700Chicago, IL 60604-3597
Sole ProprietorNo
Enumeration DateNovember 13, 2025
Last NPPES UpdateMarch 23, 20262 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
NPI 1336009257 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 · 149.025482
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.
111 W JACKSON BLVD STE 1700, Chicago, IL 60604

Other Providers at the Same Location NPPES 20

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

Nurse Practitioner (Family)
111 W JACKSON BLVD STE 1700
CHICAGO, IL 60604
Nutritionist
111 W JACKSON BLVD STE 1700
CHICAGO, IL 60604
Clinic/Center (Mental Health (Including Community Mental Health Center))
111 W JACKSON BLVD STE 1700
CHICAGO, IL 60604
Nurse Practitioner
111 W JACKSON BLVD STE 1700
CHICAGO, IL 60604
Psychiatry & Neurology (Psychiatry)
111 W JACKSON BLVD STE 1700
CHICAGO, IL 60604
Nurse Practitioner
111 W JACKSON BLVD STE 1700
CHICAGO, IL 60604
Nurse Practitioner (Women's Health)
111 W JACKSON BLVD STE 1700
CHICAGO, IL 60604
Nurse Practitioner
111 W JACKSON BLVD STE 1700
CHICAGO, IL 60604

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 Katherine Hahn's NPI number?

The NPI number for Katherine Hahn is 1336009257. It was assigned to this individual provider in the NPPES registry on November 13, 2025.

Where is Katherine Hahn located?

Katherine Hahn practices at 111 W Jackson Blvd Ste 1700, Chicago, IL 60604. The listed phone number is (646) 941-7645.

What is Katherine Hahn'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 Katherine Hahn was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.