Individual provider Active NPI

Kathleen A Lefens, APN

  • Nurse Practitioner
  • Glenview, IL
National Provider Identifier
1790146405
Registry record updated Mar 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
209013995 Issued in IL
Practice address
2180 Pfingsten Rd Ste 3000
Glenview, IL 60026-1340
Phone
(847) 503-3000
Fax
(847) 503-3500
NPI assigned
Mar 9, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 10, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Health Nurse Practitioner 363LA2200X 209013995 IL
Nurse Practitioner 363L00000X 209013995 IL Primary
Gerontology Nurse Practitioner 363LG0600X 209013995 IL

Addresses

Primary practice location

2180 Pfingsten Rd Ste 3000
Glenview, IL 60026-1340

Mailing address

2650 Ridge Ave Ste 1223
Evanston, IL 60201-1700
Phone (847) 982-3363

Other practice location 1

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (888) 824-0200

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address kmientus119179@uchospital.direct-ci.com University of Chicago Physicians Group

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: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20160425001186 IL Practitioner - Nurse Practitioner 1850690991 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Endeavor Health Medical GroupGroup PAC ID 2163334699, 3,330 clinicians

Practice addresses (Care Compare)

2650 Ridge Ave
Suite 2218a
Evanston, IL 60201-1700
Phone (847) 503-4222

Hospital & facility affiliations

  • Northshore University Healthsystem - Evanston Hospital Hospital, Evanston, IL, CCN 140010
  • Swedish Hospital Hospital, Chicago, IL, CCN 140114

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
209013995ILMDGerontology Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Endeavor Health Medical Group CurrentSince Jul 15, 2022 Accepting new patients
Endeavor Health Medical Group CurrentSince Jul 15, 2022 Accepting new patients
The University of Chicago Medical Center CurrentSince Jun 26, 2018 Accepting new patients
The University of Chicago Medical Center CurrentSince Jun 26, 2018 Accepting new patients

Locations

150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061

9532 Eagle Way
Chicago, IL 60678

2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222

2650 Ridge Ave
Evanston, IL 60201
Phone (847) 570-1206

2650 Ridge Ave
Ste 1223
Evanston, IL 60201
Phone (847) 982-3175

2180 Pfingsten Rd
Glenview, IL 60026
Phone (847) 503-1000

2180 Pfingsten Rd
Ste 3000
Glenview, IL 60026
Phone (847) 503-3000

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1457481600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1790146405",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2650 RIDGE AVE STE 1223",
            "city": "EVANSTON",
            "state": "IL",
            "postal_code": "602011700",
            "telephone_number": "847-982-3363",
            "fax_number": "847-733-5315"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2180 PFINGSTEN RD STE 3000",
            "city": "GLENVIEW",
            "state": "IL",
            "postal_code": "600261340",
            "telephone_number": "847-503-3000",
            "fax_number": "847-503-3500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5841 S Maryland Ave",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606371443",
            "country_code": "US",
            "telephone_number": "888-824-0200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LEFENS",
        "first_name": "KATHLEEN",
        "middle_name": "A",
        "credential": "APN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-03-09",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "IL",
            "license": "209013995",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IL",
            "license": "209013995",
            "primary": true
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "IL",
            "license": "209013995",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kmientus119179@uchospital.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "University of Chicago Physicians Group",
            "address_1": "5841 S Maryland Ave",
            "city": "Chicago",
            "state": "IL",
            "country_code": "US",
            "postal_code": "606371443",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Glenview, IL

Sources for this page

Verify at the official NPI Registry.