Active NPI
Karen A Sobieraj, MSW LCSW BCD
- Clinical Social Worker
- Matteson, IL
National Provider Identifier
1861539645
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 34000938
- Practice address
- 20320 S Crawford
Matteson, IL 60443 - Phone
- (708) 748-6000
- Fax
- (708) 748-6173
- NPI assigned
- Jan 31, 2007
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Addiction (Substance Use Disorder) Counselor | 101YA0400X | CERTIFICATE 2774 | IL | |
| Clinical Social Worker | 1041C0700X | N1073075 | IN | |
| Clinical Social Worker | 1041C0700X | 34000938 | IN | Primary |
| Clinical Social Worker | 1041C0700X | IL |
Addresses
Primary practice location
20320 S Crawford
Matteson, IL 60443
Mailing address
20320 S Crawford
Matteson, IL 60443
Phone (708) 748-6000
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0167110825 | Other | IL | BLUE CROSS BLUE SHIELD |
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)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| CERTIFICATE 2774 | IL | MD | Addiction (Substance Use Disorder) Counselor |
| IL149000455 | IL | MD | Clinical Social Worker |
| 34000938 | IN | MD | Clinical Social Worker |
| N1073075 | IN | MD | Clinical Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Transitions Counseling | Past | Accepting new patients | |
| Northwest Psychological Services, P.C. | Past | Accepting new patients |
Organizations & group practices 2
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.
-
- Community/Behavioral Health Agency
- Matteson, IL
- NPI 1114190477
-
- Community/Behavioral Health Agency
- Highland, IN
- NPI 1679978563
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1170201600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1861539645",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "20320 S CRAWFORD",
"city": "MATTESON",
"state": "IL",
"postal_code": "60443",
"telephone_number": "708-748-6000",
"fax_number": "708-748-6173"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "20320 S CRAWFORD",
"city": "MATTESON",
"state": "IL",
"postal_code": "60443",
"telephone_number": "708-748-6000",
"fax_number": "708-748-6173"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SOBIERAJ",
"first_name": "KAREN",
"middle_name": "A",
"name_prefix": "Ms.",
"credential": "MSW LCSW BCD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2007-01-31",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "101YA0400X",
"taxonomy_group": "",
"desc": "Counselor, Addiction (Substance Use Disorder)",
"state": "IL",
"license": "CERTIFICATE 2774",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "IN",
"license": "N1073075",
"primary": false
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "IN",
"license": "34000938",
"primary": true
},
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "IL",
"license": null,
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS BLUE SHIELD",
"identifier": "0167110825",
"state": "IL"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Matteson, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.