Cathy Fiala, DT

Primary specialty

Early Intervention Provider AgencyTaxonomy code 252Y00000X

Practice address

1221 Bryce PL
Downers Grove, IL 60515-1103

Phone

(630) 854-0858

NPI assigned

Oct 20, 2025

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1760918400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760918400000",
    "number": "1396612966",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1221 BRYCE PL",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605151103"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1221 BRYCE PL",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605151103",
            "telephone_number": "630-854-0858"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FIALA",
        "first_name": "CATHY",
        "credential": "DT",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-10-20",
        "last_updated": "2025-10-20",
        "certification_date": "2025-10-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "252Y00000X",
            "taxonomy_group": "",
            "desc": "Early Intervention Provider Agency",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Patrick Clinton Fenner, MD
• Inga Ferdkoff, R.S.A.
• Lauren Maxon Ferguson, CCC-SLP
• Constanza E Fernandez Gonzalez, DDS, PHD
• Jill Eileen Ferree, ATC, LAT
• Franco I Fierens Lezcano
• Katelyn Fillipp, P.T.
• Ashley Fincher, LPC
• Fine Diagnostics Inc
• Helen Rose Fischer

• Early Intervention Provider Agency in Downers Grove, IL
• Providers in Downers Grove, IL by specialty
• Early Intervention Provider Agency in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 20, 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.