Individual provider Active NPI

Holly Katherine Leoni, M.S., CCC-SLP

  • Speech-Language Pathologist
  • Austin, TX
National Provider Identifier
1518253293
Registry record updated Oct 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
101310 Issued in TX
Practice address
3101 Bee Caves Rd Ste 210
Austin, TX 78746-6783
Phone
(512) 327-2083
Fax
(512) 327-0808
NPI assigned
Jun 22, 2011
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 16, 2025

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 101310 TX Primary

Addresses

Primary practice location

3101 Bee Caves Rd Ste 210
Austin, TX 78746-6783

Mailing address

3809 Aspen Creek Pkwy
Austin, TX 78749-6915
Phone (512) 791-0662

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
101310TXMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
Leoni-Niedert Speech-Language Pathologist CurrentSince Oct 21, 2025 Accepting new patients
Austin Area Speech & Language Services Speech-Language Pathologist PastSince Oct 21, 2025 Accepting new patients

Locations

3101 Bee Caves Rd
Ste 210
Austin, TX 78746
Phone (512) 263-7375

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1308700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760572800000",
    "number": "1518253293",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3809 ASPEN CREEK PKWY",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787496915",
            "telephone_number": "512-791-0662"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3101 BEE CAVES RD STE 210",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787466783",
            "telephone_number": "512-327-2083",
            "fax_number": "512-327-0808"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEONI",
        "first_name": "HOLLY",
        "middle_name": "KATHERINE",
        "credential": "M.S., CCC-SLP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-06-22",
        "last_updated": "2025-10-16",
        "certification_date": "2025-10-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "TX",
            "license": "101310",
            "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 Oct 16, 2025; 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.