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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.

MRS. IWONA U SOBCZAK MD
NPI 1972586808
Psychiatry & Neurology - Neurology in Chicago, IL

Active since November 23, 2005
7447 W TALCOTT AVENUE, SUITE #367, CHICAGO, IL 60631(773) 957-0304(773) 957-0305 Get Directions Write a Review

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

Record update history: Jul 13, 2026, Oct 23, 2018 (2 updates tracked since 2018).

About Mrs. Iwona U Sobczak Md NPPES

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

MRS. IWONA U SOBCZAK MD (NPI 1972586808) is an individual neurology provider in Chicago, Illinois, licensed in Illinois (036095513) and active in the NPI registry since November 2005.

NPPES Registry Identity

NPI1972586808
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameMRS. IWONA U SOBCZAKCredential: MD
Location Address7447 W TALCOTT AVENUE, SUITE #367Chicago, IL 60631
Mailing Address2840 N Lincoln Ave, Apt AChicago, IL 60657-4298 · (773) 957-0304 · Fax (773) 957-0305
Phone(773) 957-0304
Fax(773) 957-0305
Sole ProprietorNo
Enumeration DateNovember 23, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1972586808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in IL · 036095513
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
7447 W TALCOTT AVENUE, Chicago, IL 60631
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Other Names 1

Other Name (5)Mrs. Iwona U Steinbruegge Md

Other Providers at the Same Location NPPES 5

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

NORTHWEST ORTHOPAEDIC ASSOC LTD
Family Medicine
7447 W TALCOTT AVENUE, NORTHWEST ORTHOPAEDIC ASSOCIATES LTD SUITE 500
CHICAGO, IL 60631
Cook County (773) 631-7898
DR. DAVID A DEBOER M.D., MBA
Thoracic Surgery (Cardiothoracic Vascular Surgery)
7447 W TALCOTT AVENUE, STE. 512
CHICAGO, IL 60631
Cook County (773) 594-6460
DR. DANIEL E SULLIVAN MD
Orthopaedic Surgery
7447 W TALCOTT AVENUE, SUITE 500 NORTHWEST ORTHOPAEDIC ASSOCIATES LTD
CHICAGO, IL 60631
Cook County (773) 631-7898
MR. KEITH MICHAEL LADENDORF PA-C
Physician Assistant (Surgical)
7447 W TALCOTT AVENUE, SUITE 512
CHICAGO, IL 60631
Cook County (847) 788-1553
DR. JEFFREY MARK SILVER MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
7447 W TALCOTT AVENUE, STE. 512
CHICAGO, IL 60631
Cook County (773) 594-6460

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 Iwona Sobczak's NPI number?

The NPI number for Iwona Sobczak is 1972586808. It was assigned to this individual provider in the NPPES registry on November 23, 2005. The provider is also known as Mrs. Iwona U Steinbruegge MD.

Where is Iwona Sobczak located?

Iwona Sobczak practices at 7447 W Talcott Avenue Suite #367, Chicago, IL 60631. The listed phone number is (773) 957-0304.

What is Iwona Sobczak's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

When was this NPI record last updated?

The NPPES record for Iwona Sobczak was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.