Individual provider Active NPI

Brittany DO-McKenzie, PA

  • Physician Assistant
  • Oshkosh, WI
National Provider Identifier
1811511355
Registry record updated Oct 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
5238 Issued in WI
Practice address
855 N Westhaven Dr
Oshkosh, WI 54904-7668
Phone
(920) 303-8700
NPI assigned
Jun 1, 2020
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 9, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Physician AssistantGroup: 193400000X SINGLE SPECIALTY GROUP 363A00000X 5238 WI Primary
Surgical Physician Assistant 363AS0400X 5238 WI
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

855 N Westhaven Dr
Oshkosh, WI 54904-7668

Mailing address

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

Other practice location 1

1218 Losey Blvd S
LA Crosse, WI 54601-6004
Phone (608) 792-1146

Other practice location 2

1900 South Ave
LA Crosse, WI 54601-5467
Phone (608) 782-7300

Other practice location 3

1836 South Ave
LA Crosse, WI 54601-5429
Phone (608) 782-7300

Other identifiers 1

IdentifierTypeStateIssuer
100149451MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/
Direct Messaging Address bdomckenzie433777@direct.myadvocateaurora.org Direct

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
I20210204000801 WI Practitioner - Physician Assistant 9436563384 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2020
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)

1020 N 12TH St
Milwaukee, WI 53233-1308
Phone (414) 219-3056

855 N Westhaven Dr
Oshkosh, WI 54904-7668
Phone (920) 303-8700

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. Single Specialty CurrentSince Aug 1, 2025 Accepting new patients
Aurora Medical Group, Inc. Single Specialty CurrentSince Aug 1, 2025 Accepting new patients
Gundersen Lutheran Medical Center, Inc CurrentSince Feb 8, 2021 Accepting new patients
Gundersen Lutheran Medical Center Inc Single Specialty CurrentSince Feb 8, 2021 Accepting new patients
Aurora Medical Group, Inc. Past Accepting new patients

Locations

210 Wisconsin American Dr
Fond du Lac, WI 54937
Phone (920) 907-7000

1836 South Ave
La Crosse, WI 54601
Phone (608) 788-8102

1900 South Ave
La Crosse, WI 54601
Phone (608) 775-2287

1910 South Ave
La Crosse, WI 54601
Phone (608) 775-2287

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

855 N Westhaven Dr
Oshkosh, WI 54904
Phone (920) 451-5643

Interoperability endpoints

  • Direct secure messaging: bdomckenzie220359@direct.emplifyhealth.org

Organizations & group practices 6

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": "1590969600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1811511355",
    "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": "855 N WESTHAVEN DR",
            "city": "OSHKOSH",
            "state": "WI",
            "postal_code": "549047668",
            "telephone_number": "920-303-8700"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1218 Losey Blvd S",
            "address_purpose": "LOCATION",
            "city": "LA Crosse",
            "state": "WI",
            "postal_code": "546016004",
            "country_code": "US",
            "telephone_number": "608-792-1146",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1900 South Ave",
            "address_purpose": "LOCATION",
            "city": "LA Crosse",
            "state": "WI",
            "postal_code": "546015467",
            "country_code": "US",
            "telephone_number": "608-782-7300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1836 South Ave",
            "address_purpose": "LOCATION",
            "city": "LA Crosse",
            "state": "WI",
            "postal_code": "546015429",
            "country_code": "US",
            "telephone_number": "608-782-7300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DO-MCKENZIE",
        "first_name": "BRITTANY",
        "credential": "PA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-06-01",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "5238",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "WI",
            "license": "5238",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100149451",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "855 N Westhaven Dr",
            "city": "Oshkosh",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549047668",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bdomckenzie433777@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "855 N Westhaven Dr",
            "city": "Oshkosh",
            "state": "WI",
            "country_code": "US",
            "postal_code": "549047668",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oshkosh, WI

Sources for this page

Verify at the official NPI Registry.