NPPES file of Aug 9, 2026

Jennifer Noelle O'Neil, NP

Nurse Practitioner · Crystal Lake, IL

Jennifer Noelle O'Neil, NP is a nurse practitioner with a practice address in Crystal Lake, Illinois, and NPI 1689411548, issued on Jul 9, 2024. Check the license (Illinois 209.030274, 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
1689411548
Name
Jennifer Noelle O'Neil
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
209.030274 IL
Self-reported in NPPES; status is on the state search
Practice location
875 S Route 31, Crystal Lake, IL 60014
Phone
(779) 220-5500
Enumerated
Jul 9, 2024
Record last updated
Dec 31, 2024
Fax
(779) 220-5184
Medicare enrollment
Enrolled (PECOS I20250102000032); accepts Medicare assignment
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 nurse practitioner records → All 4,892 in Illinois → Look up another NPI →

Also registered at 875 S Route 31

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

  1. Sheila Atendido, CRNACertified Registered Nurse Anesthetist1609308139
  2. Jessica Barrera, APNNurse Practitioner1093356974
  3. Megan Griesman, APRNNurse Practitioner1710603121
  4. Jamie GutierrezPhysical Therapy Assistant1912756453
  5. Tiffani Henn, APRN, FNP-CFamily Nurse Practitioner1255115838
  6. Madeline Lubenow, APN-CRNACertified Registered Nurse Anesthetist1265996631

Verify Jennifer Noelle O'Neil 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 209.030274    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. Mercy Health System CorporationCrystal Lake, IL

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

Jennifer Noelle O'Neil among 4,892 nurse practitioner records in Illinois

Jennifer Noelle O'Neil, NP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 87% of them.

  • NPI issued2024 · 87% of these records are older, 8% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2023 · median 2018 among the 3,389 with a school on file
  • Record last updated2024 · 36% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 nurse practitioner records list a practice address in Crystal Lake

They are 22 of the 1,442 NPPES records with a practice address in Crystal Lake, and 4,892 nurse practitioner records in Illinois.

All 4,892 in Illinois → Every provider in Crystal Lake → Nurse Practitioner nationwide →

The 8 nurse practitioner records with the nearest ZIP codes

  1. Jessica Barrera, APNCrystal Lake, IL 600141093356974
  2. Susan Bockman, MSN, CNPCrystal Lake, IL 600141710266903
  3. Gina Chmela, APNCrystal Lake, IL 600141558668764
  4. Candace Esposito, FNP-BCCrystal Lake, IL 600141114568367
  5. Christine Hepperlen, NPCrystal Lake, IL 600141316017007
  6. Joanna Hutson, NP-CCrystal Lake, IL 600141730632407
  7. Sandra Jaeschke, CNPCrystal Lake, IL 600141003815770
  8. Anna Kastanas, APNCrystal Lake, IL 600141609310259

Common questions

What is Jennifer Noelle O'Neil, NP's NPI number?

Jennifer Noelle O'Neil, NP's National Provider Identifier (NPI) is 1689411548, issued on Jul 9, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Noelle O'Neil, NP located?

The NPPES record lists a practice address at 875 S Route 31, Crystal Lake, IL, 60014. Phone: (779) 220-5500. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Noelle O'Neil, NP's license?

NPPES lists Illinois license number 209.030274, 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.