Active NPI
Lauren Tomaszek, LSW, CADC
- Social Worker
- Chicago, IL
National Provider Identifier
1154050235
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 150.109394
- Practice address
- 820 N Orleans St Ste 350
Chicago, IL 60610-3145 - Phone
- (312) 809-0298
- Fax
- (866) 687-0879
- NPI assigned
- Jun 6, 2022
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Social Worker | 104100000X | |||
| Social Worker | 104100000X | IL | ||
| Social Worker | 104100000X | 150.109394 | IL | Primary |
Addresses
Primary practice location
820 N Orleans St Ste 350
Chicago, IL 60610-3145
Mailing address
820 N Orleans St Ste 350
Chicago, IL 60610-3145
Phone (708) 383-7500
Other practice location 1
1010 Lake St Ste 605
Oak Park, IL 60301-1136
Phone (312) 809-0298
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 |
|---|---|---|---|
| 150.109394 | IL | MD | Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Wildflower Center for Emotional Health PLLC | Current | Accepting new patients | |
| Blue Bird Day LLC | Past | Accepting new patients |
Locations
820 N Orleans St
Ste 350
Chicago, IL 60610
Phone (312) 809-0298
1010 Lake St
Ste 605
Oak Park, IL 60301
Phone (312) 309-0298
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.
-
- Clinical Social Worker
- Chicago, IL
- NPI 1114342599
-
- Multi-Specialty Clinic/Center
- Chicago, IL
- NPI 1588030621
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1654473600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1742947200000",
"number": "1154050235",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "820 N ORLEANS ST STE 350",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606103145",
"telephone_number": "708-383-7500"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "820 N ORLEANS ST STE 350",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606103145",
"telephone_number": "312-809-0298",
"fax_number": "866-687-0879"
}
],
"practiceLocations": [
{
"address_1": "1010 Lake St Ste 605",
"address_purpose": "LOCATION",
"city": "Oak Park",
"state": "IL",
"postal_code": "603011136",
"country_code": "US",
"telephone_number": "312-809-0298",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TOMASZEK",
"first_name": "LAUREN",
"name_prefix": "Ms.",
"credential": "LSW, CADC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-06-06",
"last_updated": "2025-03-26",
"certification_date": "2025-03-26",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": null,
"license": null,
"primary": false
},
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "IL",
"license": null,
"primary": false
},
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "IL",
"license": "150.109394",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
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 Mar 26, 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.