Active NPI
Louis Diamond, LCSW CADC
- Clinical Social Worker
- Chicago, IL
National Provider Identifier
1144596370
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 149009648
- Practice address
- 4039 W Eddy St
Chicago, IL 60641-3926 - Phone
- (847) 924-8220
- NPI assigned
- Apr 2, 2012
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 149009648 | IL | Primary |
Addresses
Primary practice location
4039 W Eddy St
Chicago, IL 60641-3926
Mailing address
4039 W Eddy St
Chicago, IL 60641-3926
Phone (847) 924-8220
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 |
|---|---|---|---|
| 149009648 | IL | MD | Clinical Social Worker |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1333324800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786233600000",
"number": "1144596370",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4039 W EDDY ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606413926",
"telephone_number": "847-924-8220"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4039 W EDDY ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606413926",
"telephone_number": "847-924-8220"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DIAMOND",
"first_name": "LOUIS",
"name_prefix": "Mr.",
"credential": "LCSW CADC",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2012-04-02",
"last_updated": "2026-08-09",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "IL",
"license": "149009648",
"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 Aug 9, 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.