Nell O'Neill

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

Practice address

950 Lee St Ste 210
Des Plaines, IL 60016-6574

Phone

(877) 486-4140

NPI assigned

Dec 15, 2021

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": "1639526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740700800000",
    "number": "1659030740",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "950 LEE ST STE 210",
            "city": "DES PLAINES",
            "state": "IL",
            "postal_code": "600166574",
            "telephone_number": "877-486-4140"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "950 LEE ST STE 210",
            "city": "DES PLAINES",
            "state": "IL",
            "postal_code": "600166574",
            "telephone_number": "877-486-4140"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'NEILL",
        "first_name": "NELL",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-12-15",
        "last_updated": "2025-02-28",
        "certification_date": "2025-02-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Behavior Analyst in Des Plaines, IL
• Providers in Des Plaines, IL by specialty
• Behavior Analyst in Illinois

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