Individual provider Active NPI

Margaret Mercer Ghinazzi, WHNP-BC

  • Nurse Practitioner
  • Kenosha, WI
National Provider Identifier
1295477529
Registry record updated May 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
11882-33 Issued in WI
Practice address
10400 75TH St
Kenosha, WI 53142-7884
Phone
(262) 948-5600
Fax
(262) 948-5735
NPI assigned
Apr 7, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Women's Health Nurse Practitioner 363LW0102X 11882-33 WI
Nurse Practitioner 363L00000X 11882-33 WI Primary

Addresses

Primary practice location

10400 75TH St
Kenosha, WI 53142-7884

Mailing address

PO Box 735044
Chicago, IL 60673-5044
Phone (800) 326-2250

Other practice location 1

2239 S 108th St
West Allis, WI 53227-1107
Phone (844) 493-1052

Other identifiers 1

IdentifierTypeStateIssuer
100198258MedicaidWI

Other names 1

  • Margaret Christine Mercer Former name

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address mghinazzi424389@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

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
I20250324002545 WI Practitioner - Nurse Practitioner 1153843735 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Georgetown University School of Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

10400 75TH St
Kenosha, WI 53142-7884
Phone (262) 948-7000

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
11882-33WIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Apr 5, 2025 Accepting new patients
Aurora Medical Group, Inc. Current Accepting new patients
Aurora Medical Group, Inc. CurrentSince Apr 5, 2025 Accepting new patients
Aurora Medical Group, Inc. Past Accepting new patients

Locations

10400 75th St
Kenosha, WI 53142
Phone (262) 697-7000

1020 N 12th St
Milwaukee, WI 53233
Phone (414) 219-3056

13250 Washington Ave
Mount Pleasant, WI 53177
Phone (262) 799-8330

Interoperability endpoints

  • Direct secure messaging: margaret.ghinazzi.p1@direct.ppwi.nextgenshare.com
  • Direct secure messaging: mghinazzi424389@direct.myadvocateaurora.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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1649289600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747267200000",
    "number": "1295477529",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044",
            "telephone_number": "800-326-2250"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10400 75TH ST",
            "city": "KENOSHA",
            "state": "WI",
            "postal_code": "531427884",
            "telephone_number": "262-948-5600",
            "fax_number": "262-948-5735"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2239 S 108th St",
            "address_purpose": "LOCATION",
            "city": "West Allis",
            "state": "WI",
            "postal_code": "532271107",
            "country_code": "US",
            "telephone_number": "844-493-1052",
            "fax_number": "414-541-2728",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GHINAZZI",
        "first_name": "MARGARET",
        "middle_name": "MERCER",
        "credential": "WHNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-04-07",
        "last_updated": "2025-05-15",
        "certification_date": "2025-05-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LW0102X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Women's Health",
            "state": "WI",
            "license": "11882-33",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "11882-33",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100198258",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mghinazzi424389@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "10400 75th St",
            "city": "Kenosha",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531427884",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "10400 75th St",
            "city": "Kenosha",
            "state": "WI",
            "country_code": "US",
            "postal_code": "531427884",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MARGARET",
            "last_name": "MERCER",
            "middle_name": "CHRISTINE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Kenosha, WI

Sources for this page

Verify at the official NPI Registry.