Individual provider Active NPI

Mariia Steffeny

  • Critical Care Neonatal Nurse Practitioner
  • Milwaukee, WI
National Provider Identifier
1992319065
Registry record updated Apr 8, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Neonatal Nurse PractitionerTaxonomy code 363LN0005X
License
10396-33 Issued in WI
Practice address
9000 W Wisconsin Ave
Milwaukee, WI 53226-4874
Phone
(414) 266-6820
Fax
(414) 266-6979
NPI assigned
Sep 4, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 8, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal Nurse Practitioner 363LN0000X 237189-30 WI
Critical Care Neonatal Nurse Practitioner 363LN0005X 10396-33 WI Primary

Addresses

Primary practice location

9000 W Wisconsin Ave
Milwaukee, WI 53226-4874

Mailing address

13111 N Port Washington Rd
Mequon, WI 53097-2416
Phone (262) 243-7300

Other practice location 1

8915 W Connell Ave
Milwaukee, WI 53226-3067
Phone (414) 266-2000

Other practice location 2

9200 W Wisconsin Ave
Milwaukee, WI 53226-3522
Phone (414) 805-5800

Other identifiers 1

IdentifierTypeStateIssuer
1992319065MedicaidWI

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20201221002306 WI Practitioner - Nurse Practitioner 4183036890 Reassigns benefits to 3 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
237189-30WIMDNeonatal Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
The Medical College of Wisconsin, Inc. CurrentSince Nov 1, 2020 Accepting new patients
Mercy Medical Center-Dubuque CurrentSince Jun 1, 2024 Accepting new patients
Agnesian Healthcare Inc CurrentSince Jan 1, 2024 Accepting new patients
Mercy Medical Center-Dubuque CurrentSince Jun 1, 2024 Accepting new patients
Columbia St. Mary'S Hospital Milwaukee, Inc CurrentSince Jan 1, 2023 Accepting new patients
Columbia St. Mary'S Hospital Milwaukee Inc CurrentSince Jan 1, 2023 Accepting new patients
Agnesian Healthcare, Inc Current Accepting new patients
Agnesian Healthcare Inc CurrentSince Jan 1, 2024 Accepting new patients
Children'S Specialty Group, Inc. Past Accepting new patients

Locations

250 Mercy Dr
Dubuque, IA 52001
Phone (563) 589-8000

430 E Division St
Fond du Lac, WI 54935
Phone (920) 926-4200

420 E Division St
Fond du Lac, WI 54935
Phone (920) 923-7400

N112W15415 Mequon Rd
Germantown, WI 53022
Phone (262) 250-7800

360 S Mountin Dr
Mayville, WI 53050
Phone (920) 387-2111

13111 N Port Washington Rd
Thiensville, WI 53097
Phone (262) 243-7300

620 W Brown St
Waupun, WI 53963
Phone (920) 324-5581

9000 W Wisconsin Ave
Wauwatosa, WI 53226
Phone (414) 266-2625

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

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

801 S 70th St
West Allis, WI 53214
Phone (414) 773-6600

Interoperability endpoints

  • Direct secure messaging: msteffeny78565@direct.chw.org

Organizations & group practices 9

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

NPI Registry JSON

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

{
    "created_epoch": "1599177600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1712534400000",
    "number": "1992319065",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13111 N PORT WASHINGTON RD",
            "city": "MEQUON",
            "state": "WI",
            "postal_code": "530972416",
            "telephone_number": "262-243-7300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532264874",
            "telephone_number": "414-266-6820",
            "fax_number": "414-266-6979"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8915 W Connell Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263067",
            "country_code": "US",
            "telephone_number": "414-266-2000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9200 W Wisconsin Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532263522",
            "country_code": "US",
            "telephone_number": "414-805-5800",
            "fax_number": "414-805-8097",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STEFFENY",
        "first_name": "MARIIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-09-04",
        "last_updated": "2024-04-08",
        "certification_date": "2024-04-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "WI",
            "license": "237189-30",
            "primary": false
        },
        {
            "code": "363LN0005X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal, Critical Care",
            "state": "WI",
            "license": "10396-33",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1992319065",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.