Individual provider Active NPI

Joanna Heeren, MS

  • Speech-Language Pathologist
  • Dixon, IL
National Provider Identifier
1134042179
Registry record updated Aug 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
146.016303 Issued in IL
Practice address
1335 Franklin Grove Rd
Dixon, IL 61021-9257
Phone
(815) 238-5586
NPI assigned
Aug 4, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 4, 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 146.016303 IL Primary

Addresses

Primary practice location

1335 Franklin Grove Rd
Dixon, IL 61021-9257

Mailing address

314 Blair LN
Lanark, IL 61046-9726

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

NPI Registry JSON

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

{
    "created_epoch": "1785801600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785801600000",
    "number": "1134042179",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "314 BLAIR LN",
            "city": "LANARK",
            "state": "IL",
            "postal_code": "610469726"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1335 FRANKLIN GROVE RD",
            "city": "DIXON",
            "state": "IL",
            "postal_code": "610219257",
            "telephone_number": "815-238-5586"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HEEREN",
        "first_name": "JOANNA",
        "credential": "MS",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-08-04",
        "last_updated": "2026-08-04",
        "certification_date": "2026-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "IL",
            "license": "146.016303",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dixon, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 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.