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DEXTER RAY GRZYB
NPI 1013842608
Behavior Analyst in Lincolnwood, IL

Active since June 15, 2026
6500 N LINCOLN AVE, LINCOLNWOOD, IL 60712(630) 465-3963 Get Directions Write a Review

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dexter Ray Grzyb NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DEXTER RAY GRZYB (NPI 1013842608) is an individual behavior analyst provider in Lincolnwood, Illinois, licensed in Illinois (BACB1468407) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1013842608
Entity TypeIndividualMale
Primary Taxonomy103K00000X
Provider Legal NameDEXTER RAY GRZYB
Location Address6500 N LINCOLN AVELincolnwood, IL 60712-3923
Mailing Address6500 N Lincoln AveLincolnwood, IL 60712-3923 · (630) 465-3963
Phone(630) 465-3963
Sole ProprietorNo
Enumeration DateJune 15, 2026
NPPES CertifiedJune 15, 2026
✔ NPI 1013842608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
License✔ Licensed in IL · BACB1468407
Definition
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.
6500 N LINCOLN AVE, Lincolnwood, IL 60712
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HARLIE SHOCKLEY
Behavior Technician
6500 N LINCOLN AVE
LINCOLNWOOD, IL 60712
Cook County (630) 465-3963
ALEXANDER ANDEMICHAEL
Behavior Technician
6500 N LINCOLN AVE
LINCOLNWOOD, IL 60712
Cook County (847) 604-0955
ABIGAIL SAWAL
Behavior Technician
6500 N LINCOLN AVE
LINCOLNWOOD, IL 60712
Cook County (847) 604-0955
ROBERT SLAUGHTER
Behavior Technician
6500 N LINCOLN AVE
LINCOLNWOOD, IL 60712
Cook County (630) 465-3963
ELAINE BARNES
Behavior Analyst
6500 N LINCOLN AVE
LINCOLNWOOD, IL 60712
Cook County (630) 465-3963
SHEA NELSON
Speech-Language Pathologist
6500 N LINCOLN AVE
LINCOLNWOOD, IL 60712
Cook County (630) 465-3963
HELEENA LIM
Behavior Technician
6500 N LINCOLN AVE
LINCOLNWOOD, IL 60712
Cook County (630) 465-3963
DIANA SILVERMAN BCBA
Behavior Analyst
6500 N LINCOLN AVE
LINCOLNWOOD, IL 60712
Cook County (847) 951-4981

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dexter Grzyb's NPI number?

The NPI number for Dexter Grzyb is 1013842608. It was assigned to this individual provider in the NPPES registry on June 15, 2026.

Where is Dexter Grzyb located?

Dexter Grzyb practices at 6500 N Lincoln Ave, Lincolnwood, IL 60712. The listed phone number is (630) 465-3963.

What is Dexter Grzyb's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

When was this NPI record last updated?

The NPPES record for Dexter Grzyb was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.