Active NPI
Alethea Gustafson, LCSW
- Clinical Social Worker
- Northfield, IL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 149017983
- Practice address
- 400 Central Ave Ste 220
Northfield, IL 60093-3024 - Phone
- (847) 996-9994
- NPI assigned
- Apr 13, 2017
- Last updated
- Jun 24, 2026
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 149017983 | IL | Primary |
Addresses
Primary practice location
400 Central Ave Ste 220
Northfield, IL 60093-3024
Mailing address
917 N Fairfield Ave Apt 3
Chicago, IL 60622-5396
Phone (815) 501-7861
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2012
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
701 Main St
Suite 203
Evanston, IL 60202-4960
Phone (847) 996-9994
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Unify Counseling Inc | Clinical | Current | Accepting new patients |
| DPT Holdings, LLC | Past | Accepting new patients |
Locations
701 Main St
Ste 203
Evanston, IL 60202
Phone (847) 906-3005
400 Central Ave
Ste 220
Northfield, IL 60093
Phone (847) 906-3005
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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1492041600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782259200000",
"number": "1336673623",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "917 N FAIRFIELD AVE APT 3",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606225396",
"telephone_number": "815-501-7861"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "400 CENTRAL AVE STE 220",
"city": "NORTHFIELD",
"state": "IL",
"postal_code": "600933024",
"telephone_number": "847-996-9994"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GUSTAFSON",
"first_name": "ALETHEA",
"credential": "LCSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2017-04-13",
"last_updated": "2026-06-24",
"certification_date": "2026-06-24",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "IL",
"license": "149017983",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Northfield, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.