NPIMap

Individual provider Active NPI

Brittani S Gierisch, M.D.

  • Family Medicine Physician
  • West Allis, WI
National Provider Identifier
1992150148
Registry record updated Jun 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
70187 Issued in WI
Practice address
2424 S 90TH St # 7795
West Allis, WI 53227-2455
Phone
(414) 328-8777
NPI assigned
Apr 25, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 70187 WI Primary

Addresses

Primary practice location

2424 S 90TH St # 7795
West Allis, WI 53227-2455

Mailing address

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

Other identifiers 1

IdentifierTypeStateIssuer
100089431MedicaidWI

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address bgierisch228683@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
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190703002370 WI Practitioner - Family Practice 4688966732 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

2424 S 90TH St
West Allis, WI 53227-2455
Phone (414) 328-8630

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal or shaving of skin growth1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
70187WIMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aurora Medical Group, Inc. CurrentSince Jul 29, 2019 Accepting new patients
Aurora Medical Group, Inc. Family Medicine Current Accepting new patients
Aurora Medical Group, Inc. CurrentSince Jul 29, 2019 Accepting new patients
Aurora Medical Group, Inc. Past Accepting new patients
Lakeshore Medical Clinic, LLC Family Medicine Past Accepting new patients

Locations

3301 W Forest Home Ave
Milwaukee, WI 53215
Phone (414) 389-2233

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

2424 S 90th St
Ste 200
West Allis, WI 53227
Phone (414) 328-8777

2424 S 90th St
#7795
West Allis, WI 53227
Phone (414) 328-8777

2424 S 90th St
West Allis, WI 53227
Phone (414) 321-2255

Interoperability endpoints

  • Direct secure messaging: bgierisch228683@direct.myadvocateaurora.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 5

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": "1461542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1992150148",
    "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": "2424 S 90TH ST # 7795",
            "city": "WEST ALLIS",
            "state": "WI",
            "postal_code": "532272455",
            "telephone_number": "414-328-8777"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIERISCH",
        "first_name": "BRITTANI",
        "middle_name": "S",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-04-25",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "70187",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100089431",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bgierisch228683@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2424 S 90th St # 7795",
            "city": "West Allis",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532272455",
            "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": "2424 S 90th St # 7795",
            "city": "West Allis",
            "state": "WI",
            "country_code": "US",
            "postal_code": "532272455",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in West Allis, WI

Sources for this page

Verify at the official NPI Registry.