Individual provider Active NPI

Kathryn Croslow, RN, CLC

  • Lactation Consultant (Registered Nurse)
  • St Charles, IL
National Provider Identifier
1770418279
Registry record updated Jun 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Lactation Consultant (Registered Nurse)Taxonomy code 163WL0100X
License
041.389655 Issued in IL
Practice address
511 Illinois Ave
St Charles, IL 60174-2152
Phone
(815) 762-3732
NPI assigned
Jun 16, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 16, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Nutrition Education Nutritionist 133NN1002X ALPP-338454 IL
Maternal Newborn Registered Nurse 163WM0102X 041.389655 IL
Lactation Consultant (Registered Nurse) 163WL0100X 041.389655 IL Primary

Addresses

Primary practice location

511 Illinois Ave
St Charles, IL 60174-2152

Mailing address

511 Illinois Ave
St Charles, IL 60174-2152

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

NPI Registry JSON

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

{
    "created_epoch": "1781568000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781568000000",
    "number": "1770418279",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "511 ILLINOIS AVE",
            "city": "ST CHARLES",
            "state": "IL",
            "postal_code": "601742152"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "511 ILLINOIS AVE",
            "city": "ST CHARLES",
            "state": "IL",
            "postal_code": "601742152",
            "telephone_number": "815-762-3732"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CROSLOW",
        "first_name": "KATHRYN",
        "credential": "RN, CLC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-06-16",
        "last_updated": "2026-06-16",
        "certification_date": "2026-06-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133NN1002X",
            "taxonomy_group": "",
            "desc": "Nutritionist, Nutrition, Education",
            "state": "IL",
            "license": "ALPP-338454",
            "primary": false
        },
        {
            "code": "163WM0102X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Maternal Newborn",
            "state": "IL",
            "license": "041.389655",
            "primary": false
        },
        {
            "code": "163WL0100X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Lactation Consultant",
            "state": "IL",
            "license": "041.389655",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in St Charles, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 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.

Verify at the official NPI Registry.