Individual provider Active NPI

Ann Lorenz, NP

  • Pediatric Nurse Practitioner
  • La Crosse, WI
National Provider Identifier
1104681907
Registry record updated Sep 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Nurse PractitionerTaxonomy code 363LP0200X
License
14587 Issued in WI
Practice address
1836 South Ave
La Crosse, WI 54601-5429
Phone
(608) 782-7300
NPI assigned
Feb 20, 2024
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 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 14587 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

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
I20240425000914 WI Practitioner - Nurse Practitioner 1759721632 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Gundersen Clinic LTDGroup PAC ID 9638082779, 422 clinicians

Practice addresses (Care Compare)

724 Denton St
La Crosse, WI 54601-5447
Phone (608) 782-7300

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
14587WIMDPediatric Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Gundersen Lutheran Medical Center, Inc CurrentSince Apr 16, 2024 Accepting new patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients
Gundersen Clinic LTD Current Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Apr 16, 2024 Accepting new patients
Gundersen Clinic, LTD. CurrentSince Apr 16, 2024 Accepting new patients
Gundersen Lutheran Express Care, Inc CurrentSince Apr 16, 2024 Accepting new patients
Gundersen Clinic, LTD. Past Accepting new patients
Gundersen Lutheran Medical Center Inc Past Accepting new patients

Locations

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

1900 South Ave
La Crosse, WI 54601
Phone (608) 775-2287

724 Denton St
La Crosse, WI 54601
Phone (608) 775-1000

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

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

2500 State Rd
#33
La Crosse, WI 54601
Phone (608) 385-5803

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

Interoperability endpoints

  • Direct secure messaging: alorenz287789@direct.emplifyhealth.org

Organizations & group practices 8

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 7

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": "1708387200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789084800000",
    "number": "1104681907",
    "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": "LORENZ",
        "first_name": "ANN",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-02-20",
        "last_updated": "2026-09-11",
        "certification_date": "2026-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Pediatrics",
            "state": "WI",
            "license": "14587",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Crosse, WI

Sources for this page

Verify at the official NPI Registry.