Individual provider Active NPI

Leah Rose Gerlach, MD

  • Obstetrics & Gynecology Physician
  • Milwaukee, WI
National Provider Identifier
1891545794
Registry record updated Sep 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
86233-20 Issued in WI
Practice address
8701 Watertown Plank Rd
Milwaukee, WI 53226-3548
Phone
(414) 955-4575
NPI assigned
Mar 25, 2024
Last updated
Sep 29, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 29, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 86233-20 WI Primary

Addresses

Primary practice location

8701 Watertown Plank Rd
Milwaukee, WI 53226-3548

Mailing address

8701 Watertown Plank Rd
Milwaukee, WI 53226-3548

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240913000922 WI Order and Referring Only - Obstetrics/GynecologyPractitioner - Obstetrics/Gynecology 6800336009

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
86233-20WIMDObstetrics & Gynecology Physician

NPI Registry JSON

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

{
    "created_epoch": "1711324800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759104000000",
    "number": "1891545794",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8701 WATERTOWN PLANK RD",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263548"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8701 WATERTOWN PLANK RD",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263548",
            "telephone_number": "414-955-4575"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GERLACH",
        "first_name": "LEAH",
        "middle_name": "ROSE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-03-25",
        "last_updated": "2025-09-29",
        "certification_date": "2025-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WI",
            "license": "86233-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

Verify at the official NPI Registry.