Individual provider Active NPI

Izabella Castanon, M.S., CCC-SLP

  • Speech-Language Pathologist
  • Austin, TX
National Provider Identifier
1437041555
Registry record updated Aug 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
123894 Issued in TX
Practice address
4000 S. I-H 35 Frontage Rd
Austin, TX 78704
Phone
(915) 261-5709
NPI assigned
Jul 15, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 24, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Speech-Language Pathologist 235Z00000X 123894 TX Primary

Addresses

Primary practice location

4000 S. I-H 35 Frontage Rd
Austin, TX 78704

Mailing address

7213 Cayenne LN
Austin, TX 78741-7517
Phone (915) 261-5709

Other practice location 1

7213 Cayenne Ln
Austin, TX 78741-7517
Phone (915) 261-5709

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

NPI Registry JSON

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

{
    "created_epoch": "1752537600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1437041555",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7213 CAYENNE LN",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787417517",
            "telephone_number": "915-261-5709"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 S. I-H 35 FRONTAGE RD",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "78704",
            "telephone_number": "915-261-5709"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7213 Cayenne Ln",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787417517",
            "country_code": "US",
            "telephone_number": "915-261-5709",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CASTANON",
        "first_name": "IZABELLA",
        "credential": "M.S., CCC-SLP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-07-15",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "TX",
            "license": "123894",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Austin, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 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.