Active NPI
Courtney Ellen Harris, MD
- Pediatrics Physician
- Chicago, IL
National Provider Identifier
1851970545
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 036.174345
- Practice address
- 225 E Chicago Ave
Chicago, IL 60611-2991 - Phone
- (312) 227-4000
- NPI assigned
- Apr 7, 2021
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Pediatrics Physician | 208000000X | 036.174345 | IL | Primary |
Addresses
Primary practice location
225 E Chicago Ave
Chicago, IL 60611-2991
Mailing address
225 E Chicago Ave
Chicago, IL 60611-2991
Phone (312) 227-4000
Other practice location 1
3333 Green Bay Rd
North Chicago, IL 60064-3095
Phone (847) 578-3000
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
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036.174345 | IL | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1617753600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1743206400000",
"number": "1851970545",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "225 E CHICAGO AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606112991",
"telephone_number": "312-227-4000"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "225 E CHICAGO AVE",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606112991",
"telephone_number": "312-227-4000"
}
],
"practiceLocations": [
{
"address_1": "3333 Green Bay Rd",
"address_purpose": "LOCATION",
"city": "North Chicago",
"state": "IL",
"postal_code": "600643095",
"country_code": "US",
"telephone_number": "847-578-3000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HARRIS",
"first_name": "COURTNEY",
"middle_name": "ELLEN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-04-07",
"last_updated": "2025-03-29",
"certification_date": "2025-03-29",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "IL",
"license": "036.174345",
"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 29, 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.