Catherine Oneill

Catherine Oneill is a Behavior Analyst provider (Behavior Analyst) practicing in Wheaton, IL, registered in the NPPES registry with NPI 1205458114 since 2020.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1205458114
Entity type	Individual (Type 1)
Name	Catherine Oneill
Sex	Female
Practice address	Wheaton, IL, 60189
Phone	8476376256
Enumeration date	2020-05-13
Last updated in NPPES	2023-06-21

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
106S00000X	Behavior Technician	Secondary	—	—
103K00000X	Behavior Analyst	Primary	1-22-60569	IL

Copy-ready billing details

Provider: Catherine Oneill
NPI: 1205458114
Taxonomy: 103K00000X (Behavior Analyst)
Address: Wheaton, IL, 60189

Verify this record

Cross-check NPI 1205458114 against the authoritative CMS record: view Catherine Oneill on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Catherine Oneill?

The National Provider Identifier (NPI) for Catherine Oneill is 1205458114, a Type 1 (individual) record in the CMS NPPES registry.

Where does Catherine Oneill practice?

The practice location on file with NPPES is in Wheaton, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-06-21.