Active NPI 1285345025 Individual Practitioner Female Practitioner

Gillian Mangan , BCBA

Behavior Analyst • Glenview, IL

Professional Overview & Biography Verified Profile Summary

Gillian Mangan, BCBA is a registered healthcare professional specializing in Behavior Analyst in Glenview, IL. Practice services are available at 900 WAUKEGAN RD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

900 Waukegan Rd

Glenview, IL 600254315

Telephone 6123874268

Associated Practice Facility / Clinic

🏢 Instructional Aba Consultants Waiver Services Facility NPI 1134888175

Specialty Benchmarks & Practice Insights

Comparative analytics for Behavior Analyst in Glenview, IL

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 10.5 Yrs

State Avg: 13.3 Yrs

Regional Practice Density

36 Specialists

Practicing in Glenview, IL (3105 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-02-23

Behavior Analyst Primary Specialty

NUCC Taxonomy Code: 103K00000X

State License IL 1-22-62735

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.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

34 Associated Practitioners

Varya Neyman

Behavior Technician

NPI 1013893734

Brooke Demaio

Behavior Technician

NPI 1073352241

Madison Olszewski

Behavior Analyst

NPI 1083599591

Hailey Gaylor

Behavior Technician

NPI 1093551707

Tamia Watts

Behavior Technician

NPI 1093573438

Alexandra Hedgeman

Behavior Technician

NPI 1104636216

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location February 23, 2026

Registered at 900 WAUKEGAN RD, GLENVIEW, IL 600254315 (Tel: 6123874268)

📍

Updated Business Mailing Address February 23, 2026

Registered at 900 WAUKEGAN RD, GLENVIEW, IL 600254315 (Tel: 6123874268)

✅

NPI Profile Active December 13, 2022

NPI status registered as active in NPPES database

📍

Updated Practice Location December 13, 2022

Registered at 655 W GRACE ST APT 310, CHICAGO, IL 606134011 (Tel: 6123874268)

📍

Updated Business Mailing Address December 13, 2022

Registered at 655 W GRACE ST APT 310, CHICAGO, IL 606134011 (Tel: 6123874268)

👤

Provider Name / Credentials Updated December 13, 2022

Recorded as GILLIAN MANGAN, BCBA

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 13, 2022

Behavior Analyst (License #1-22-62735 in IL)

🟢

Initial NPI Registration & Enumeration December 13, 2022

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1285345025

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: December 13, 2022

Last Update: February 23, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

900 Waukegan Rd

Glenview, IL 600254315

Phone: 6123874268

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.