STEPHANIE O'NEILL APRN, FNP-BC
NPI 1164383535
Nurse Practitioner in Warrenville, IL

Q: What is Stephanie O'neill's NPI number?

The NPI number for Stephanie O'neill is 1164383535. It was assigned to this individual provider in the NPPES registry on November 24, 2025.

Q: What is Stephanie O'neill's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Stephanie O'neill was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since November 24, 2025

30W160 OXFORD DR, WARRENVILLE, IL 60555(630) 281-0629 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 16, 2025, Nov 24, 2025 (2 updates tracked since 2025).

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About Stephanie O'neill Aprn, Fnp-bc NPPES

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

STEPHANIE O'NEILL APRN, FNP-BC (NPI 1164383535) is an individual nurse practitioner in Warrenville, Illinois, licensed in Illinois (209.034188) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1164383535

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameSTEPHANIE O'NEILLCredential: APRN, FNP-BC

Location Address30W160 OXFORD DRWarrenville, IL 60555-1014

Mailing Address30w160 Oxford DrWarrenville, IL 60555-1014 · (630) 281-0629

Phone(630) 281-0629

Sole ProprietorNo

Enumeration DateNovember 24, 2025

Last NPPES UpdateDecember 16, 20252 updates tracked since enumeration

NPPES CertifiedDecember 16, 2025

✔ NPI 1164383535 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in IL · 209.034188

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

30W160 OXFORD DR, Warrenville, IL 60555

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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 Stephanie O'neill's NPI number?

The NPI number for Stephanie O'neill is 1164383535. It was assigned to this individual provider in the NPPES registry on November 24, 2025.

Where is Stephanie O'neill located?

Stephanie O'neill practices at 30w160 Oxford Dr, Warrenville, IL 60555. The listed phone number is (630) 281-0629.

What is Stephanie O'neill's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Stephanie O'neill was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.