Kelly Therese O'Brien

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

Practice address

12021 S Harlem Ave
Palos Heights, IL 60463-1139

Phone

(630) 581-2846

NPI assigned

Aug 20, 2020

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

Practice roles

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.

• Action Behavior Centers Therapy LLC

  • Behavior Analyst
  • Austin, TX
  • NPI 1699475509
  NPD (past)

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

{
    "created_epoch": "1597881600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1174135180",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12021 S HARLEM AVE",
            "city": "PALOS HEIGHTS",
            "state": "IL",
            "postal_code": "604631139",
            "telephone_number": "630-581-2846"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12021 S HARLEM AVE",
            "city": "PALOS HEIGHTS",
            "state": "IL",
            "postal_code": "604631139",
            "telephone_number": "630-581-2846"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "KELLY",
        "middle_name": "THERESE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-08-20",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Northwest Hearing Centers-Palos HTS, LLC
• Nickola Novosel, MD
• Rebecca S. Novotny, MS CCC SLP L
• Nu Me Health, Inc
• Steven Nudo
• Kristy O'Brien, PHARM D
• Lauren O'Gorman
• Colleen Margaret O'Hara, LCPC
• Jakaela O'Neal
• William S O'Reilly, M.D.

• Behavior Analyst in Palos Heights, IL
• Providers in Palos Heights, IL by specialty
• Behavior Analyst in Illinois

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