Individual provider Active NPI

Britney Scott Gruszynski, APNP, FNP-C

  • Nurse Practitioner
  • Green Bay, WI
National Provider Identifier
1952277832
Registry record updated Mar 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nurse PractitionerTaxonomy code 363L00000X
License
1724733 Issued in WI
Practice address
4070 Equestrian LN
Green Bay, WI 54229-9649
Phone
(920) 866-6180
NPI assigned
Oct 16, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 1724733 WI Primary

Addresses

Primary practice location

4070 Equestrian LN
Green Bay, WI 54229-9649

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
100390011MedicaidWI

Electronic endpoints 3

TypeEndpointUseAffiliation
Other URL https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other Ability Network
Direct Messaging Address bgruszynski200982@direct.myadvocateaurora.org Direct
CONNECT 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
I20251219001227 WI Practitioner - Nurse Practitioner 4880189539 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
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)

4070 Equestrian LN
Green Bay, WI 54229-9649
Phone (920) 866-6100

Hospital & facility affiliations

  • Aurora Baycare Medical Ctr Hospital, Green Bay, WI, CCN 520193

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1724733WIMDNurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Dec 11, 2025 Accepting new patients
Aurora Medical Group, Inc. CurrentSince Dec 11, 2025 Accepting new patients

Locations

4070 Equestrian Ln
Green Bay, WI 54229
Phone (920) 866-6100

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

Interoperability endpoints

  • Direct secure messaging: bgruszynski200982@direct.myadvocateaurora.org

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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": "1760572800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773360000000",
    "number": "1952277832",
    "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": "4070 EQUESTRIAN LN",
            "city": "GREEN BAY",
            "state": "WI",
            "postal_code": "542299649",
            "telephone_number": "920-866-6180"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRUSZYNSKI",
        "first_name": "BRITNEY",
        "middle_name": "SCOTT",
        "name_prefix": "Mrs.",
        "credential": "APNP, FNP-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-16",
        "last_updated": "2026-03-13",
        "certification_date": "2026-03-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "WI",
            "license": "1724733",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100390011",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "Ability Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "64 S Price Rd",
            "city": "Brownsville",
            "state": "TX",
            "country_code": "US",
            "postal_code": "785212459",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bgruszynski200982@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "4070 Equestrian Ln",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "542299649",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4070 Equestrian Ln",
            "city": "Green Bay",
            "state": "WI",
            "country_code": "US",
            "postal_code": "542299649",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Green Bay, WI

Sources for this page

Verify at the official NPI Registry.