NPIMap

Individual provider Active NPI

Karmen Wielunski, D.O.

  • Internal Medicine Physician
  • La Crosse, WI
National Provider Identifier
1750700738
Registry record updated May 15, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
65399 Issued in WI
Practice address
1836 South Ave
La Crosse, WI 54601-5429
Phone
(608) 782-7300
NPI assigned
Apr 7, 2014
Last updated
May 15, 2024By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 15, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 65399 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 practice location 1

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone (414) 805-6850

Other names 1

  • Dr. Karmen Bergquist Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20171114003694 WI Practitioner - Internal Medicine 2961768528 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Midwestern University, Chicago College of Osteopathic Med, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

1836 S Ave
La Crosse, WI 54601-5429
Phone (608) 783-7300

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
65399WIMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Tri-County Memorial Hospital, Inc. CurrentSince Jan 14, 2026 Accepting new patients
Tri-County Memorial Hospital, Inc. CurrentSince Jan 14, 2026 Accepting new patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients
St Lukes Clinic-Treasure Valley LLC Internal Medicine CurrentSince Apr 26, 2018 Accepting new patients
St Lukes Clinic-Treasure Valley LLC Internal Medicine CurrentSince Apr 26, 2018 Accepting new patients
Memorial Hospital of Boscobel CurrentSince Jan 25, 2026 Accepting new patients
Moundview Memorial Hospital & Clinics, Inc. CurrentSince Jan 6, 2026 Accepting new patients
The Medical College of Wisconsin, Inc. Internal Medicine CurrentSince Sep 19, 2017 Accepting new patients
St. Joseph's Health Services, Inc. CurrentSince Jan 25, 2026 Accepting new patients
Moundview Memorial Hospital & Clinics, Inc Internal Medicine CurrentSince Jan 6, 2026 Accepting new patients
Memorial Hospital of Boscobel CurrentSince Jan 25, 2026 Accepting new patients
Gundersen Lutheran Medical Center Inc CurrentSince Jun 12, 2024 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Jun 12, 2024 Accepting new patients
St. Joseph's Health Services, Inc. CurrentSince Jan 25, 2026 Accepting new patients

Locations

190 E Bannock St
Boise, ID 83712
Phone (208) 381-2378

610 W Hays St
Boise, ID 83702
Phone (208) 345-3530

205 Parker St
Boscobel, WI 53805
Phone (608) 375-4112

402 W Lake St
Friendship, WI 53934
Phone (608) 339-3331

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

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

Bin 88350
Milwaukee, WI 53288
Phone (414) 805-3122

8701 Watertown Plank Rd
Wauwatosa, WI 53226
Phone (414) 456-4100

9200 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 259-3000

18601 Lincoln St
Whitehall, WI 54773
Phone (715) 538-1712

Interoperability endpoints

  • Direct secure messaging: kwielunski876633@direct.emplifyhealth.org

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 9

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": "1396828800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1715731200000",
    "number": "1750700738",
    "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": [
        {
            "address_1": "9200 W Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263522",
            "country_code": "US",
            "telephone_number": "414-805-6850",
            "fax_number": "414-805-6851",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WIELUNSKI",
        "first_name": "KARMEN",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-07",
        "last_updated": "2024-05-15",
        "certification_date": "2024-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "65399",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KARMEN",
            "last_name": "BERGQUIST",
            "prefix": "DR.",
            "credential": "DO",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in La Crosse, WI

Sources for this page

Verify at the official NPI Registry.