Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Jennifer Noelle O'Neil, NP

Individual provider Nurse Practitioner · NPI 1689411548

Jennifer Noelle O'Neil, NP is a Nurse Practitioner in Crystal Lake, Illinois. Qualified in 2023, 3 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
3
Licensed in
IL
In the registry since
2024
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

875 S Route 31
Crystal Lake, IL 60014-8190
Phone: (779) 220-5500
Fax: (779) 220-5184
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 968 Woodbridge Dr, Cary, IL 60013-2499 — (847) 239-0794

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209.030274 (IL)

Record details

NPI number1689411548
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedJuly 9, 2024
Last updated in NPPESDecember 31, 2024
Certification dateDecember 26, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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