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NELL O'NEILL
NPI 1659030740
Behavior Analyst in Des Plaines, IL

Active since December 15, 2021
950 LEE ST STE 210, DES PLAINES, IL 60016(877) 486-4140 Get Directions Write a Review

NPPES record last updated: February 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 28, 2025, Dec 15, 2021 (2 updates tracked since 2021).

About Nell O'neill NPPES

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

NELL O'NEILL (NPI 1659030740) is an individual behavior analyst provider in Des Plaines, Illinois and active in the NPI registry since December 2021.

NPPES Registry Identity

NPI1659030740
Entity TypeIndividualFemale
Primary Taxonomy103K00000X
Provider Legal NameNELL O'NEILL
Location Address950 LEE ST STE 210Des Plaines, IL 60016-6574
Mailing Address950 Lee St Ste 210Des Plaines, IL 60016-6574 · (877) 486-4140
Phone(877) 486-4140
Sole ProprietorYes
Enumeration DateDecember 15, 2021
Last NPPES UpdateFebruary 28, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 28, 2025
✔ NPI 1659030740 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
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.
950 LEE ST STE 210, Des Plaines, IL 60016
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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.

MISS CHELSEY OHMAN MA, BCBA
Behavior Analyst
950 LEE ST STE 210
DES PLAINES, IL 60016
Cook County (877) 486-4140
KARA MARIE SANDBERG
Behavior Technician
950 LEE ST STE 210
DES PLAINES, IL 60016
Cook County (877) 486-4140
MS. ELIZABETH LOUISE LOCKHART KING MS, CCC-SLP
Speech-Language Pathologist
950 LEE ST STE 210
DES PLAINES, IL 60016
Cook County (828) 337-7357
JAIYHANA HALE
Behavior Technician
950 LEE ST STE 210
DES PLAINES, IL 60016
Cook County (877) 486-4140
CHELSEA RENAYLIN JASPER RBT
Behavior Analyst
950 LEE ST STE 210
DES PLAINES, IL 60016
Cook County (877) 486-4140
SAMANTHA RUHMANN LEVIN
Behavior Technician
950 LEE ST STE 210
DES PLAINES, IL 60016
Cook County (617) 817-4158
MA JENERI CARM TANHUECO
Behavior Technician
950 LEE ST STE 210
DES PLAINES, IL 60016
Cook County (877) 486-4140
FUMI HORNER PH.D., B.C.B.A.-D
Behavior Analyst
950 LEE ST STE 210
DES PLAINES, IL 60016
Cook County (877) 486-4140

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 Nell O'neill's NPI number?

The NPI number for Nell O'neill is 1659030740. It was assigned to this individual provider in the NPPES registry on December 15, 2021.

Where is Nell O'neill located?

Nell O'neill practices at 950 Lee St Ste 210, Des Plaines, IL 60016. The listed phone number is (877) 486-4140.

What is Nell O'neill'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 Nell O'neill was last updated on February 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.