Individual provider Active NPI

Marcella Jo Tatarka, NP

  • Neonatal Nurse Practitioner
  • La Crosse, WI
National Provider Identifier
1902473630
Registry record updated Sep 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal Nurse PractitionerTaxonomy code 363LN0000X
License
14289 Issued in WI
Practice address
1836 South Ave
La Crosse, WI 54601-5429
Phone
(608) 782-7300
NPI assigned
Jun 10, 2021
Last updated
Sep 16, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 16, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal Nurse Practitioner 363LN0000X 286074 AZ
Neonatal Nurse Practitioner 363LN0000X 14289 WI Primary
Neonatal Nurse Practitioner 363LN0000X 286074 AR
Critical Care Neonatal Nurse Practitioner 363LN0005X 14289 WI
Critical Care Neonatal Nurse Practitioner 363LN0005X 176098 MT

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 MS, CO, WI3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20220921002759 MS Practitioner - Nurse Practitioner 7517342918 Reassigns benefits to 1 organization
I20220924000358 CO Practitioner - Nurse Practitioner 7517342918 Reassigns benefits to 1 organization
I20231127001850 WI Practitioner - Nurse Practitioner 7517342918 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science - Nursing, Nurse Practitioner, Registered Nurse

State licenses

LicenseStateTypeSpecialty
286074ARMDNeonatal Nurse Practitioner
286074AZMDNeonatal Nurse Practitioner
176098MTMDCritical Care Neonatal Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Gundersen Lutheran Medical Center Inc CurrentSince Nov 2, 2023 Accepting new patients
State of Mississippi - University of Mississippi Medical Center CurrentSince Aug 25, 2022 Accepting new patients
Gundersen Lutheran Medical Center Inc Current Accepting new patients
State of Mississippi - University of Mississippi Medical Center CurrentSince Aug 25, 2022 Accepting new patients
RCHP Billings - Missoula LLC Current Accepting new patients
Intermountain Medical Group Grand Junction, LLC Current Accepting new patients
Intermountain Medical Group Grand Junction, LLC CurrentSince Jun 18, 2022 Accepting new patients
Intermountain Medical Group Grand Junction, LLC CurrentSince Jun 18, 2022 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Nov 2, 2023 Accepting new patients
RCHP Billings - Missoula LLC Past Accepting new patients
Arizona OB GYN Affiliates PC Past Accepting new patients

Locations

500 Eldorado Blvd
Ste 4300
Broomfield, CO 80021

1050 Wellington Ave
Grand Junction, CO 81501
Phone (970) 245-4810

1050 Wellington Ave
Slp Ctr
Grand Junction, CO 81501
Phone (970) 298-5864

504 Clinton Center Dr
Ste 4300
Clinton, MS 39056

2500 N State St
Jackson, MS 39216
Phone (601) 815-4775

830 S Gloster St
Tupelo, MS 38801
Phone (662) 377-3136

2827 Fort Missoula Rd
Missoula, MT 59804
Phone (406) 327-4202

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: mtatarka@direct.communitymed.org
  • Direct secure messaging: mtatarka180164@ummc.direct-ci.com
  • Direct secure messaging: mtatarka831022@direct.emplifyhealth.org

Organizations & group practices 11

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": "1623283200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789516800000",
    "number": "1902473630",
    "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": "TATARKA",
        "first_name": "MARCELLA",
        "middle_name": "JO",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-10",
        "last_updated": "2026-09-16",
        "certification_date": "2026-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "AZ",
            "license": "286074",
            "primary": false
        },
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "WI",
            "license": "14289",
            "primary": true
        },
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "AR",
            "license": "286074",
            "primary": false
        },
        {
            "code": "363LN0005X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal, Critical Care",
            "state": "WI",
            "license": "14289",
            "primary": false
        },
        {
            "code": "363LN0005X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal, Critical Care",
            "state": "MT",
            "license": "176098",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Crosse, WI

Sources for this page

Verify at the official NPI Registry.