NPIMap

Individual provider Active NPI

Juliana Machicao Bakk, MD

  • Maternal & Fetal Medicine Physician
  • La Crosse, WI
National Provider Identifier
1336673540
Registry record updated Dec 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X
License
85786 Issued in WI
Practice address
1836 South Ave
La Crosse, WI 54601-5429
Phone
(608) 782-7300
NPI assigned
Apr 13, 2017
Last updated
Dec 15, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 15, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 04-49741 KS
Obstetrics & Gynecology Physician 207V00000X 85786 WI
Maternal & Fetal Medicine Physician 207VM0101X 85786 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
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250728002113 WI Practitioner - Obstetrics/Gynecology 0840561544 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
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 Medicine

State licenses

LicenseStateTypeSpecialty
85786WIMDMaternal & Fetal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients
Gundersen Lutheran Medical Center Inc CurrentSince Aug 4, 2025 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Aug 4, 2025 Accepting new patients
Gundersen Lutheran Medical Center, Inc. Past Accepting new patients

Locations

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

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

Interoperability endpoints

  • Direct secure messaging: jbakk1074485@direct.gundersenhealth.org

Organizations & group practices 4

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.

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": "1492041600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1336673540",
    "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": "BAKK",
        "first_name": "JULIANA",
        "middle_name": "MACHICAO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-04-13",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "KS",
            "license": "04-49741",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WI",
            "license": "85786",
            "primary": false
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "WI",
            "license": "85786",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Crosse, WI

Sources for this page

Verify at the official NPI Registry.