Individual provider Active NPI

Sandra Lee Oestreich, RN

  • Registered Nurse
  • Milwaukee, WI
National Provider Identifier
1144280884
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Registered NurseTaxonomy code 163W00000X
Practice address
4834 W Medford Ave
Milwaukee, WI 53216-2412
Phone
(414) 873-6835
NPI assigned
Mar 25, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Registered Nurse 163W00000X WI Primary

Addresses

Primary practice location

4834 W Medford Ave
Milwaukee, WI 53216-2412

Mailing address

4834 W Medford Ave
Milwaukee, WI 53216-2412
Phone (414) 873-6835

Other identifiers 1

IdentifierTypeStateIssuer
38332600MedicaidWI

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Registered Nurse

State licenses

LicenseStateTypeSpecialty
128924-030WIMDRegistered Nurse

NPI Registry JSON

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

{
    "created_epoch": "1143244800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1144280884",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4834 W MEDFORD AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532162412",
            "telephone_number": "414-873-6835"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4834 W MEDFORD AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532162412",
            "telephone_number": "414-873-6835"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OESTREICH",
        "first_name": "SANDRA",
        "middle_name": "LEE",
        "name_prefix": "Mrs.",
        "credential": "RN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "WI",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "38332600",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Milwaukee, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.