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Active NPI 1013842608 Individual Practitioner Male Practitioner

Dexter Ray Grzyb

Behavior Analyst • Lincolnwood, IL

Professional Overview & Biography Verified Profile Summary

Dexter Grzyb is a registered healthcare professional specializing in Behavior Analyst in Lincolnwood, IL. Practice services are available at 6500 N LINCOLN AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

6500 N Lincoln Ave

Lincolnwood, IL 607123923

Telephone 6304653963

Specialty Benchmarks & Practice Insights

Comparative analytics for Behavior Analyst in Lincolnwood, IL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 13.3 Yrs
Regional Practice Density
32 Specialists

Practicing in Lincolnwood, 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: 2026-06-15
Behavior Analyst Primary Specialty

NUCC Taxonomy Code: 103K00000X

State License IL BACB1468407

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

37 Associated Practitioners
Harlie Shockley

Behavior Technician

NPI 1003735473
Zarafshan Bano

Behavior Technician

NPI 1053231936
Robert Slaughter

Behavior Technician

NPI 1104743913
NPI 1144186776
Elaine Barnes

Behavior Analyst

NPI 1184550840
Piper Vanderpool

Behavior Analyst

NPI 1205756640

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active June 15, 2026

NPI status registered as active in NPPES database

📍
Updated Practice Location June 15, 2026

Registered at 6500 N LINCOLN AVE, LINCOLNWOOD, IL 607123923 (Tel: 6304653963)

📍
Updated Business Mailing Address June 15, 2026

Registered at 6500 N LINCOLN AVE, LINCOLNWOOD, IL 607123923 (Tel: 6304653963)

👤
Provider Name / Credentials Updated June 15, 2026

Recorded as DEXTER GRZYB

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 15, 2026

Behavior Analyst (License #BACB1468407 in IL)

🟢
Initial NPI Registration & Enumeration June 15, 2026

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: 1013842608
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 15, 2026
Last Update: June 15, 2026
Sole Proprietor: No

Mailing Address

6500 N Lincoln Ave

Lincolnwood, IL 607123923

Phone: 6304653963

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.