Individual provider Active NPI

Kay M Crosby Johnson, NP

  • Pediatric Nurse Practitioner
  • La Crosse, WI
National Provider Identifier
1770589806
Registry record updated Sep 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
689 Issued in WI
Practice address
1836 South Ave
La Crosse, WI 54601-5429
Phone
(608) 782-7300
NPI assigned
Jun 23, 2005
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatric Nurse Practitioner 363LP0200X 689 WI Primary

Addresses

Primary practice location

1836 South Ave
La Crosse, WI 54601-5429

Mailing address

1836 South Ave
La Crosse, WI 54601-5429
Phone (608) 782-7300

Other identifiers 1

IdentifierTypeStateIssuer
43868600MedicaidWI

Other names 1

  • Catherine C Johnson Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
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
I20110214000855 WI Practitioner - Nurse Practitioner 6901086552 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
689WIMDPediatric Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Gundersen Lutheran Medical Center Inc CurrentSince Apr 1, 2021 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Apr 1, 2021 Accepting new patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients

Locations

1836 South Ave
La Crosse, WI 54601
Phone (608) 788-8102

710 Denton St
La Crosse, WI 54601
Phone (608) 775-6680

1910 South Ave
La Crosse, WI 54601
Phone (608) 775-2287

1600 Main St
Onalaska, WI 54650
Phone (608) 783-4681

3111 Gundersen Dr
Onalaska, WI 54650
Phone (608) 775-8100

Interoperability endpoints

  • Direct secure messaging: kcrosbyjohnson5921@direct.emplifyhealth.org

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1119484800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1770589806",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1836 SOUTH AVE",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546015429",
            "telephone_number": "608-782-7300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1836 SOUTH AVE",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546015429",
            "telephone_number": "608-782-7300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CROSBY JOHNSON",
        "first_name": "KAY",
        "middle_name": "M",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-06-23",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "WI",
            "license": "689",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "43868600",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CATHERINE",
            "last_name": "JOHNSON",
            "middle_name": "C",
            "credential": "NP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in La Crosse, WI

Sources for this page

Verify at the official NPI Registry.