Active NPI
Iwona U Sobczak, MD
- Neurology Physician
- Chicago, IL
National Provider Identifier
1972586808
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurology Physician
- License
- 036095513
- Practice address
- 7447 W Talcott Avenue
Suite #367
Chicago, IL 60631 - Phone
- (773) 957-0304
- Fax
- (773) 957-0305
- NPI assigned
- Nov 23, 2005
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Neurology Physician | 2084N0400X | 036095513 | IL | Primary |
Addresses
Primary practice location
7447 W Talcott Avenue
Suite #367
Chicago, IL 60631
Mailing address
2840 N Lincoln Ave
Apt a
Chicago, IL 60657-4298
Phone (773) 957-0304
Other names 1
- Mrs. Iwona U Steinbruegge
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Frank Bender MD LLC | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Pain Medicine (Physical Medicine & Rehabilitation) Physician
- Merrillville, IN
- NPI 1992042048
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1132704000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1972586808",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2840 N LINCOLN AVE",
"address_2": "APT A",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606574298",
"telephone_number": "773-957-0304",
"fax_number": "773-957-0305"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7447 W TALCOTT AVENUE",
"address_2": "SUITE #367",
"city": "CHICAGO",
"state": "IL",
"postal_code": "60631",
"telephone_number": "773-957-0304",
"fax_number": "773-957-0305"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SOBCZAK",
"first_name": "IWONA",
"middle_name": "U",
"name_prefix": "Mrs.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2005-11-23",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2084N0400X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Neurology",
"state": "IL",
"license": "036095513",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "IWONA",
"last_name": "STEINBRUEGGE",
"middle_name": "U",
"prefix": "MRS.",
"credential": "MD",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.