BRENDAN WILLIAM LAWLER BCBA
NPI 1487315438
Behavior Analyst in Downers Grove, IL

NPI Status: Active since January 03, 2022

Contact Information

4340 WILSON AVE APT 3
DOWNERS GROVE, IL
ZIP 60515
Phone: (630) 217-1292

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  • Individual
  • Male
  • Behavior Analyst

About BRENDAN LAWLER

This page provides the complete NPI Profile along with additional information for Brendan Lawler, a provider established in Downers Grove, Illinois with a medical specialization in Behavior Analyst. The healthcare provider is registered in the NPI registry with number 1487315438 assigned on January 2022. The practitioner's primary taxonomy code is 103K00000X with license number 1-21-56611 (). The provider is registered as an individual and his NPI record was last updated January 2026.

NPI
1487315438
Provider Name
BRENDAN WILLIAM LAWLER BCBA
Gender
Male
Entity Type
Individual
Location Address
4340 WILSON AVE APT 3 DOWNERS GROVE, IL 60515
Location Phone
(630) 217-1292
Mailing Address
4340 WILSON AVE APT 3 DOWNERS GROVE, IL 60515
Mailing Phone
(630) 476-0027
Is Sole Proprietor?
No
Enumeration Date
01-03-2022
Last Update Date
01-07-2026
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Location Map

Secondary Locations

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

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Behavior Analyst

Taxonomy Code
103K00000X
Type
Behavioral Health & Social Service Providers
License No.
1-21-56611
Taxonomy Description
A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1487315438, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
3
Doubled → 6
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
8
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 3 → 6 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 1 + 6 + 7 + 6 + 1 + 1 + 0 + 4 + 6 + 24 = 62

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1487315438.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487315438, enumerated as an "individual" on January 03, 2022.

The provider is located at 4340 WILSON AVE APT 3 DOWNERS GROVE, IL 60515 and the phone number is (630) 217-1292.

Behavior Analyst with taxonomy code 103K00000X.