Individual provider Active NPI

Joanna Hallmark, MS, CCC-SLP

  • Speech-Language Pathologist
  • Brookfield, WI
National Provider Identifier
1952247215
Registry record updated Apr 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
14144757 Issued in WI
Practice address
2530 N Brookfield Rd
Brookfield, WI 53045-4134
Phone
(262) 781-3030
NPI assigned
Apr 28, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 28, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Speech-Language Pathologist 235Z00000X 14144757 WI Primary

Addresses

Primary practice location

2530 N Brookfield Rd
Brookfield, WI 53045-4134

Mailing address

2530 N Brookfield Rd
Brookfield, WI 53045-4134

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
Master of Science

State licenses

LicenseStateTypeSpecialty
14144757WIMDSpeech-Language Pathologist

NPI Registry JSON

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

{
    "created_epoch": "1777334400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777334400000",
    "number": "1952247215",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2530 N BROOKFIELD RD",
            "city": "BROOKFIELD",
            "state": "WI",
            "postal_code": "530454134"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2530 N BROOKFIELD RD",
            "city": "BROOKFIELD",
            "state": "WI",
            "postal_code": "530454134",
            "telephone_number": "262-781-3030"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HALLMARK",
        "first_name": "JOANNA",
        "credential": "MS, CCC-SLP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-28",
        "last_updated": "2026-04-28",
        "certification_date": "2026-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "WI",
            "license": "14144757",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brookfield, WI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.