Individual provider Active NPI

Ahlex Kortsan, CNM

  • Advanced Practice Midwife
  • Onalaska, WI
National Provider Identifier
1700677309
Registry record updated May 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Advanced Practice MidwifeTaxonomy code 367A00000X
License
598 Issued in WI
Practice address
3111 Gundersen Dr
Onalaska, WI 54650-8447
Phone
(608) 775-8100
NPI assigned
May 14, 2025
Last updated
May 14, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 14, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Advanced Practice Midwife 367A00000X 598 WI Primary

Addresses

Primary practice location

3111 Gundersen Dr
Onalaska, WI 54650-8447

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250712000406 WI Practitioner - Certified Nurse Midwife (CNM) 1658886395 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Nurse Midwife (CNM)
Education
Other, 2024
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

3111 Gundersen Dr
Onalaska, WI 54650-8447
Phone (608) 782-7300

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Nurse Midwife

State licenses

LicenseStateTypeSpecialty
598WIMDAdvanced Practice Midwife

Practice roles

OrganizationSpecialtyStatusNew patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Jul 16, 2025 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Jul 16, 2025 Accepting new patients
Gundersen Lutheran Medical Center, Inc. Past Accepting new patients
Gundersen Lutheran Medical Center Inc Past Accepting new patients

Locations

1122 W Highway 61
Winona, MN 55987
Phone (507) 615-0600

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

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

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

Interoperability endpoints

  • Direct secure messaging: akortsan467501@direct.emplifyhealth.org

Organizations & group practices 5

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

NPI Registry JSON

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

{
    "created_epoch": "1747180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747180800000",
    "number": "1700677309",
    "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": "3111 GUNDERSEN DR",
            "city": "ONALASKA",
            "state": "WI",
            "postal_code": "546508447",
            "telephone_number": "608-775-8100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KORTSAN",
        "first_name": "AHLEX",
        "credential": "CNM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-05-14",
        "last_updated": "2025-05-14",
        "certification_date": "2025-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367A00000X",
            "taxonomy_group": "",
            "desc": "Advanced Practice Midwife",
            "state": "WI",
            "license": "598",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Onalaska, WI

Sources for this page

Verify at the official NPI Registry.