Individual provider Active NPI

Elizabeth Nicole Erschen, NNP

  • Neonatal Nurse Practitioner
  • Milwaukee, WI
National Provider Identifier
1023729654
Registry record updated Jan 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal Nurse PractitionerTaxonomy code 363LN0000X
License
1335733 Issued in WI
Practice address
9000 W Wisconsin Ave
Milwaukee, WI 53226-4874
Phone
(414) 266-6820
Fax
(414) 266-6979
NPI assigned
Dec 5, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 12, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neonatal Nurse Practitioner 363LN0000X 1335733 WI Primary

Addresses

Primary practice location

9000 W Wisconsin Ave
Milwaukee, WI 53226-4874

Mailing address

9000 W Wisconsin Ave
Milwaukee, WI 53226-4874
Phone (414) 266-6820

Other practice location 1

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

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
I20230216002240 WI Practitioner - Nurse Practitioner 8820460017 Reassigns benefits to 2 organizations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1335733WIMDNeonatal Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Agnesian Healthcare, Inc Current Accepting new patients
The Medical College of Wisconsin, Inc. CurrentSince Jan 1, 2023 Accepting new patients
Agnesian Healthcare Inc CurrentSince Apr 6, 2025 Accepting new patients
Agnesian Healthcare Inc CurrentSince Apr 6, 2025 Accepting new patients
Children'S Specialty Group, Inc. Past Accepting new patients

Locations

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

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

1808 W Beltline Hwy
Madison, WI 53713
Phone (608) 250-1497

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

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

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

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

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

Interoperability endpoints

  • Direct secure messaging: eberkholtz54805@direct.chw.org
  • Direct secure messaging: eberkholtzsn201804@direct.froedtert.com
  • Direct secure messaging: eerschen535423@direct-ehr-ssmhc.com

Organizations & group practices 5

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": "1670198400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1736640000000",
    "number": "1023729654",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "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"
        },
        {
            "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": "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": "ERSCHEN",
        "first_name": "ELIZABETH",
        "middle_name": "NICOLE",
        "credential": "NNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-12-05",
        "last_updated": "2025-01-12",
        "certification_date": "2025-01-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LN0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Neonatal",
            "state": "WI",
            "license": "1335733",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.