Stephanie O'Neill, APRN, FNP-BC
NPI 1164383535 · Nurse Practitioner · Warrenville, IL
Stephanie O'Neill, APRN, FNP-BC is a Nurse Practitioner provider in Warrenville, IL (NPI 1164383535).
Provider details
- NPI number
- 1164383535
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 209.034188 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-11-24
- Last updated
- 2025-12-16
- Certified
- 2025-12-16
Frequently asked questions
- What is Stephanie O'Neill's NPI number?
- Stephanie O'Neill's National Provider Identifier (NPI) is 1164383535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie O'Neill's specialty?
- Stephanie O'Neill is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie O'Neill located?
- Stephanie O'Neill's practice location on file with NPPES is 30w160 Oxford Dr, Warrenville, IL 60555-1014.
- What is Stephanie O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Stephanie O'Neill is (630) 281-0629.
- Is Stephanie O'Neill's NPI active?
- Yes — Stephanie O'Neill's NPI (1164383535) is active in the NPPES registry as of the last update on 2025-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.