Active NPI
Lena M Leffew, RN, BSN
- Registered Nurse
- Chicago, IL
National Provider Identifier
1306630355
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Nurse
- License
- 041519343
- Practice address
- 1620 W Harrison St
Chicago, IL 60612-3801 - Phone
- (312) 947-4287
- NPI assigned
- Apr 7, 2025
- 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 |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | 041519343 | IL | Primary |
Addresses
Primary practice location
1620 W Harrison St
Chicago, IL 60612-3801
Mailing address
205 Emerson CT Unit C
Bloomingdale, IL 60108-3630
Phone (312) 237-7612
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
- Bachelor on Science - Nursing, Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 041519343 | IL | MD | Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1743984000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1743984000000",
"number": "1306630355",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "205 EMERSON CT UNIT C",
"city": "BLOOMINGDALE",
"state": "IL",
"postal_code": "601083630",
"telephone_number": "312-237-7612"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1620 W HARRISON ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606123801",
"telephone_number": "312-947-4287"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LEFFEW",
"first_name": "LENA",
"middle_name": "M",
"credential": "RN, BSN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-04-07",
"last_updated": "2025-04-07",
"certification_date": "2025-04-06",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "IL",
"license": "041519343",
"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 7, 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.