Individual provider Active NPI

Diane Marie Contreras, AU.D.,CCC-A

  • Audiologist
  • Milwaukee, WI
National Provider Identifier
1952342347
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
AudiologistTaxonomy code 231H00000X
License
382156 Issued in WI
Practice address
9000 W Wisconsin Ave
Milwaukee, WI 53226-3518
Phone
(414) 266-7674
Fax
(414) 266-6189
NPI assigned
Jun 9, 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
Audiologist 231H00000X 382156 WI Primary

Addresses

Primary practice location

9000 W Wisconsin Ave
Milwaukee, WI 53226-3518

Mailing address

804 Minaka Dr
Waukesha, WI 53188-5604
Phone (262) 522-9874

Other identifiers 2

IdentifierTypeStateIssuer
382156OtherWISTATE LICENSE NUMBER
41142200MedicaidWI

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)
Enrolled

State licenses

LicenseStateTypeSpecialty
382156WIMDAudiologist

NPI Registry JSON

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

{
    "created_epoch": "1149811200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1952342347",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "804 MINAKA DR",
            "city": "WAUKESHA",
            "state": "WI",
            "postal_code": "531885604",
            "telephone_number": "262-522-9874"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9000 W WISCONSIN AVE",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532263518",
            "telephone_number": "414-266-7674",
            "fax_number": "414-266-6189"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CONTRERAS",
        "first_name": "DIANE",
        "middle_name": "MARIE",
        "name_prefix": "Ms.",
        "credential": "AU.D.,CCC-A",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "231H00000X",
            "taxonomy_group": "",
            "desc": "Audiologist",
            "state": "WI",
            "license": "382156",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE NUMBER",
            "identifier": "382156",
            "state": "WI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "41142200",
            "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.