Quick answers
- Which hospitals does Karolee Fill work at?
- Medicare's official clinician data lists Karolee Fill at 1 hospital: Northwest Community Hospital 1. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karolee Fill see patients?
- Medicare's clinician data lists 3 practice locations, including Palatine, IL, Mount Prospect, IL and Evanston, IL. Call before your visit to confirm the address.
- What is Karolee Fill's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Karolee Fill accept Medicare assignment?
- Yes. Medicare's clinician data says Karolee Fill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Karolee Fill?
- (847) 618-0535, as listed in official Medicare / NPI Registry data.
- What is Karolee Fill's NPI number?
- 1407269038. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karolee Fill works
Medicare's Facility Affiliation Data lists Karolee Fill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · CCN 140252
Practice locations
Addresses where Karolee Fill is enrolled with Medicare (CMS data updated 2026-10-02).
- 1200 W Algonquin RdPalatine, IL 60067 (847) 618‑0535
- 199 W Rand RdMount Prospect, IL 60056 (847) 618‑5400
- 2650 Ridge AveEvanston, IL 60201
Group practices
Medicare enrollment lists Karolee Fill as a member of this group (CMS data updated 2026-10-02).
- Endeavor Health Medical Group3,350 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Palatine
Clinicians with the same Medicare primary specialty in Palatine, IL — not a recommendation.
Clinician information
| Graduation year | 2004 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407269038 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians