Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1659030740 Individual Practitioner Female Practitioner

Nell O'neill

Behavior Analyst • Des Plaines, IL

Professional Overview & Biography Verified Profile Summary

Nell O'Neill is a registered healthcare professional specializing in Behavior Analyst in Des Plaines, IL. Practice services are available at 950 LEE ST STE 210 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

950 Lee St Ste 210

Des Plaines, IL 600166574

Telephone 8774864140
Associated Practice Facility / Clinic
🏢 North Shore Pediatric Therapy Facility NPI 1811909492

Specialty Benchmarks & Practice Insights

Comparative analytics for Behavior Analyst in Des Plaines, IL

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

Practicing in Des Plaines, 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: 2025-02-28
Behavior Analyst Primary Specialty

NUCC Taxonomy Code: 103K00000X

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

40 Associated Practitioners
NPI 1003339896

Master of Arts, Board Certified Behavior Analyst

Kristen Martin , MS, OTR, L

Occupational Therapist

NPI 1003482985

Master of Science, Occupational Therapist Registered, L

Annamarie Guieb

Behavior Technician

NPI 1003632175
Marissa Keo

Behavior Technician

NPI 1003643974
Jenifer Martinez

Behavior Technician

NPI 1003666181
Refath Haque

Behavior Technician

NPI 1003693797

Career & Practice History Timeline

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

7 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 28, 2025

Behavior Analyst

NPI Profile Active December 15, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location December 15, 2021

Registered at 950 LEE ST STE 210, DES PLAINES, IL 600166574 (Tel: 8774864140)

📍
Updated Business Mailing Address December 15, 2021

Registered at 950 LEE ST STE 210, DES PLAINES, IL 600166574 (Tel: 8774864140)

👤
Provider Name / Credentials Updated December 15, 2021

Recorded as NELL O'NEILL

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 15, 2021

Behavior Technician

🟢
Initial NPI Registration & Enumeration December 15, 2021

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: 1659030740
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: December 15, 2021
Last Update: February 28, 2025
Sole Proprietor: Yes

Mailing Address

950 Lee St Ste 210

Des Plaines, IL 600166574

Phone: 8774864140

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.