NPPES file of Aug 9, 2026

Lauren Ann O'Connor, NP

Family Nurse Practitioner · Lisle, IL

Lauren Ann O'Connor, NP is a family nurse practitioner with a practice address in Lisle, Illinois, and NPI 1114531647, issued on Sep 2, 2020. Check the license (Illinois 209021477, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114531647
Name
Lauren Ann O'Connor
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
209021477 IL
041353979 IL
Self-reported in NPPES; status is on the state search
Practice location
430 Warrenville RD Ste 310, Lisle, IL 60532
Phone
(630) 545-7659
Enumerated
Sep 2, 2020
Record last updated
Jul 12, 2023
Fax
(630) 432-6638
Medicare enrollment
Enrolled (PECOS I20210927001568); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →

Also registered at 430 Warrenville RD Ste 310

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Niraj Ajmere, M.D.Gastroenterology Physician1558309856
  2. Brittany Aukett, PAPhysician Assistant1770128175
  3. Rachel Benecke, APNFamily Nurse Practitioner1699281592
  4. Marc Brand, M.D.Colon & Rectal Surgery Physician1184799967
  5. Steven Brandes, M.D.Urology Physician1255359899
  6. Jennifer Buening, APN, FNP-CNurse Practitioner1255053724

Verify Lauren Ann O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209021477    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Dupage Medical Group LtdLisle, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lauren Ann O'Connor among 7,639 family nurse practitioner records in Illinois

Lauren Ann O'Connor, NP is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 59% of them.

  • NPI issued2020 · 59% of these records are older, 35% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2020 · median 2018 among the 4,778 with a school on file
  • Record last updated2023 · 39% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 family nurse practitioner records list a practice address in Lisle

They are 27 of the 610 NPPES records with a practice address in Lisle, and 7,639 family nurse practitioner records in Illinois.

All 7,639 in Illinois → Every provider in Lisle → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Karla Anderson, APNLisle, IL 605321053749135
  2. Diane Ellig, NP-CLisle, IL 605321700256153
  3. Norma Jackson, NURSE PRACTITIONERLisle, IL 605321477744183
  4. Tajuana Johnson, APNLisle, IL 605321588969166
  5. Ellen Kennelly, FNPLisle, IL 605321376966333
  6. Kathleen Lenke, APN-BCLisle, IL 605321912444233
  7. Alane McFadden, FNP-BCLisle, IL 605321821530783
  8. Paul Rieselman, DC, FNP-BCLisle, IL 605321679654974

Common questions

What is Lauren Ann O'Connor, NP's NPI number?

Lauren Ann O'Connor, NP's National Provider Identifier (NPI) is 1114531647, issued on Sep 2, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Lauren Ann O'Connor, NP located?

The NPPES record lists a practice address at 430 Warrenville RD Ste 310, Lisle, IL, 60532. Phone: (630) 545-7659. Providers update this record themselves, so call before visiting.

How can I verify Lauren Ann O'Connor, NP's license?

NPPES lists Illinois license number 209021477, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.