Organization Active NPI

City of Greenfield

Doing business as City of Greenfield Amb

  • Land Ambulance
  • Greenfield, WI
National Provider Identifier
1376627646
Registry record updated Apr 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Land AmbulanceTaxonomy code 3416L0300X
License
6000021 Issued in WI
Legal business name
CITY OF GREENFIELD
Doing business as
City of Greenfield Amb
Practice address
4333 S 92ND St
Greenfield, WI 53228-2725
Phone
(414) 545-7946
Fax
(414) 545-8875
NPI assigned
Oct 24, 2006
Last updated
Apr 3, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
CITY OF GREENFIELDAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Apr 3, 2026

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

Authorized official

Name
Ms. Paula Schaefer
Title
Finance Director
Phone
(414) 329-5283

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Land Ambulance 3416L0300X 6000021 WI Primary

Addresses

Primary practice location

4333 S 92ND St
Greenfield, WI 53228-2725

Mailing address

PO Box 6253
Carol Stream, IL 60197-6253

Other identifiers 3

IdentifierTypeStateIssuer
41319700MedicaidWI
8100011OtherWIPROVIDER ID
791590386OtherWIMEDICARE RAILROAD PROV ID

Other names 1

  • City of Greenfield Amb Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20070116000042 WI Part B Supplier - Ambulance Service Supplier 9335140425 Practice locations: Greenfield, WI

Other NPIs with the same Medicare PAC ID 1

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

National Provider Directory

National Provider Directory
Tax ID family
City of Greenfield2 organizations share this tax ID, including this one
Part of
City of Greenfield

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

Locations

4333 S 92nd St
Milwaukee, WI 53228
Phone (414) 545-7946

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

NPI Registry JSON

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

{
    "created_epoch": "1161648000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1775174400000",
    "number": "1376627646",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 6253",
            "city": "CAROL STREAM",
            "state": "IL",
            "postal_code": "601976253"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4333 S 92ND ST",
            "city": "GREENFIELD",
            "state": "WI",
            "postal_code": "532282725",
            "telephone_number": "414-545-7946",
            "fax_number": "414-545-8875"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CITY OF GREENFIELD",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "CITY OF GREENFIELD",
        "enumeration_date": "2006-10-24",
        "last_updated": "2026-04-03",
        "certification_date": "2026-04-03",
        "status": "A",
        "authorized_official_last_name": "SCHAEFER",
        "authorized_official_first_name": "PAULA",
        "authorized_official_title_or_position": "FINANCE DIRECTOR",
        "authorized_official_telephone_number": "414-329-5283",
        "authorized_official_name_prefix": "Ms."
    },
    "taxonomies": [
        {
            "code": "3416L0300X",
            "taxonomy_group": "",
            "desc": "Ambulance, Land Transport",
            "state": "WI",
            "license": "6000021",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "41319700",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PROVIDER ID",
            "identifier": "8100011",
            "state": "WI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD PROV ID",
            "identifier": "791590386",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "City of Greenfield Amb",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Greenfield, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.