Individual provider Active NPI

Brendan William Lawler, BCBA

  • Behavior Analyst
  • Downers Grove, IL
National Provider Identifier
1487315438
Registry record updated Jan 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior AnalystTaxonomy code 103K00000X
License
1-21-56611
Practice address
4340 Wilson Ave Apt 3
Downers Grove, IL 60515-2680
Phone
(630) 217-1292
NPI assigned
Jan 3, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior Analyst 103K00000X 1-21-56611 Primary

Addresses

Primary practice location

4340 Wilson Ave Apt 3
Downers Grove, IL 60515-2680

Mailing address

4340 Wilson Ave Apt 3
Downers Grove, IL 60515-2680
Phone (630) 476-0027

Other practice location 1

2901 Finley Rd Ste 102
Downers Grove, IL 60515-1774
Phone (630) 495-6800

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

Practice roles

OrganizationSpecialtyStatusNew patients
Bertling ABA, Inc Behavior Analyst Past Accepting new patients
Therapeutic Strategies, Inc Past Accepting new patients

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": "1641168000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1487315438",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4340 WILSON AVE APT 3",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605152680",
            "telephone_number": "630-476-0027"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4340 WILSON AVE APT 3",
            "city": "DOWNERS GROVE",
            "state": "IL",
            "postal_code": "605152680",
            "telephone_number": "630-217-1292"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2901 Finley Rd Ste 102",
            "address_purpose": "LOCATION",
            "city": "Downers Grove",
            "state": "IL",
            "postal_code": "605151774",
            "country_code": "US",
            "telephone_number": "630-495-6800",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LAWLER",
        "first_name": "BRENDAN",
        "middle_name": "WILLIAM",
        "credential": "BCBA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-01-03",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": null,
            "license": "1-21-56611",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Downers Grove, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 7, 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.