Active NPI
Alyssa Cowan, PSYD
- Clinical Psychologist
- Chicago, IL
National Provider Identifier
1629792502
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- License
- 071.010779
- Practice address
- 2835 N Sheffield Ave
Chicago, IL 60657-5081 - Phone
- (773) 340-0556
- NPI assigned
- Oct 3, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | 071.010779 | IL | Primary |
Addresses
Primary practice location
2835 N Sheffield Ave
Chicago, IL 60657-5081
Mailing address
2835 N Sheffield Ave
Chicago, IL 60657-5081
Phone (773) 340-0556
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 |
|---|---|---|---|
| 071.010779 | IL | MD | Clinical Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1664755200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776297600000",
"number": "1629792502",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2835 N SHEFFIELD AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606575081",
"telephone_number": "773-340-0556"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2835 N SHEFFIELD AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606575081",
"telephone_number": "773-340-0556"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COWAN",
"first_name": "ALYSSA",
"name_prefix": "Dr.",
"credential": "PSYD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2022-10-03",
"last_updated": "2026-04-16",
"certification_date": "2026-04-16",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "IL",
"license": "071.010779",
"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 Apr 16, 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.