Organization Active NPI

Mayo Clinic Health System-Southwest Wisconsin Region, Inc.

Doing business as Mayo Clinic Health System - La Crosse

  • Multi-Specialty Clinic/Center
  • La Crosse, WI
National Provider Identifier
1942980917
Registry record updated Mar 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Multi-Specialty Clinic/CenterTaxonomy code 261QM1300X
Legal business name
MAYO CLINIC HEALTH SYSTEM-SOUTHWEST WISCONSIN REGION, INC.
Doing business as
Mayo Clinic Health System - La Crosse
Practice address
800 West Ave S
La Crosse, WI 54601-8806
Phone
(608) 785-0940
NPI assigned
Jul 24, 2023
Last updated
Mar 10, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
MAYO CLINIC HEALTH SYSTEM-SOUTHWEST WISCONSIN REGION, INC.As reported in NPPES

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

Authorized official

Name
Adam Smith
Title
Cfo
Phone
(715) 838-5275

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Multi-Specialty Clinic/Center 261QM1300X Primary

Addresses

Primary practice location

800 West Ave S
La Crosse, WI 54601-8806

Mailing address

PO Box 860056
Minneapolis, MN 55486-0056

Other names 2

  • Mayo Clinic Health System - La Crosse Doing business as
  • Mayo Clinic Health System-Franciscan Medical Center, Inc. Former legal business name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031110000684 WI Part B Supplier - Clinic/Group Practice 0345152443 Receives reassigned benefits from 1,037 practitioners
2 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: La Crosse, WI; Mondovi, WI; Onalaska, WI; Prairie Du Chien, WI; Sparta, WI; Tomah, WI; Arcadia, WI; Eau Claire, WI…

Other NPIs on the same Medicare enrollment 2

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory
Tax ID family
Franciscan Skemp-Tomah-5 organizations share this tax ID, including this one
Part of
Franciscan Skemp-Tomah-

Other organizations with this tax ID 4

Organizations that report the same tax identification number in the National Provider Directory.

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

Locations

907 Montgomery St
Decorah, IA 52101
Phone (515) 382-9671

21 E Main St
Waukon, IA 52172
Phone (563) 568-3447

701 N Sprague St
Caledonia, MN 55921
Phone (507) 724-3353

825 Mankato Ave
Winona, MN 55987
Phone (507) 454-4925

1629 Caledonia St
La Crosse, WI 54603
Phone (608) 781-2818

232 3rd St N
Ste 100
La Crosse, WI 54601
Phone (608) 392-7400

332 Front St S
Ste 206
La Crosse, WI 54601
Phone (608) 782-5029

4622 Mormon Coulee Rd
La Crosse, WI 54601
Phone (608) 782-5315

700 West Ave S
Ste 102
La Crosse, WI 54601
Phone (608) 392-9797

800 West Ave S
#101
La Crosse, WI 54601
Phone (608) 392-9855

800 West Ave S
Ste 101
La Crosse, WI 54601
Phone (608) 392-9855

815 10th St S
La Crosse, WI 54601
Phone (608) 392-2890

1212 Well St
Onalaska, WI 54650
Phone (608) 392-4718

705 E Taylor St
Prairie du Chien, WI 53821
Phone (608) 357-2000

1102 E Monowau St
Tomah, WI 54660
Phone (608) 372-5070

21444 Flatiron Ave
Tomah, WI 54660
Phone (608) 372-7335

Practitioners & affiliated clinicians

Practitioners 1,199

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 1,199

NPI Registry JSON

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

{
    "created_epoch": "1690156800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1773100800000",
    "number": "1942980917",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860056",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860056"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 WEST AVE S",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546018806",
            "telephone_number": "608-785-0940"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MAYO CLINIC HEALTH SYSTEM-SOUTHWEST WISCONSIN REGION, INC.",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "MAYO CLINIC HEALTH SYSTEM-SOUTHWEST WISCONSIN REGION, INC.",
        "enumeration_date": "2023-07-24",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A",
        "authorized_official_last_name": "SMITH",
        "authorized_official_first_name": "ADAM",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "715-838-5275"
    },
    "taxonomies": [
        {
            "code": "261QM1300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Multi-Specialty",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Mayo Clinic Health System - La Crosse",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Mayo Clinic Health System-Franciscan Medical Center, Inc.",
            "code": "4",
            "type": "Former Legal Business Name"
        },
        {
            "organization_name": "Mayo Clinic Health System-Franciscan Medical Center, Inc.",
            "code": "4",
            "type": "Former Legal Business Name"
        }
    ]
}

Other providers in La Crosse, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.