Quick answers
- Which hospitals does Niko I. Keys work at?
- Medicare's official clinician data lists Niko I. Keys at 5 hospitals: Crawford Memorial Hospital, Northwestern Medicine Central Dupage Hospital, OSF Saint Elizabeth MDL Center, OSF Saint Paul Medical Center and Warner Hospital and Health Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Niko I. Keys see patients?
- Medicare's clinician data lists 3 practice locations, including Winfield, IL and Clinton, IL. Call before your visit to confirm the address.
- What is Niko I. Keys's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Niko I. Keys accept Medicare assignment?
- Yes. Medicare's clinician data says Niko I. Keys 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 Niko I. Keys?
- (630) 933-2640, as listed in official Medicare / NPI Registry data.
- What is Niko I. Keys's NPI number?
- 1881783793. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Niko I. Keys works
Medicare's Facility Affiliation Data lists Niko I. Keys at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Crawford Memorial HospitalRobinson, IL · Critical Access Hospital · CCN 141343
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- OSF Saint Elizabeth MDL CenterPeru, IL · Acute Care Hospital · CCN 140110
- OSF Saint Paul Medical CenterMendota, IL · Critical Access Hospital · CCN 141310
- Warner Hospital and Health ServicesClinton, IL · Critical Access Hospital · CCN 141303
Practice locations
Addresses where Niko I. Keys is enrolled with Medicare (CMS data updated 2026-10-02).
- 25 N Winfield RdWinfield, IL 60190 (630) 933‑2640
- 422 W White StClinton, IL 61727 (217) 935‑9571
- 422 W White St, Emergency RoomClinton, IL 61727 (217) 935‑9571
Group practices
Medicare enrollment lists Niko I. Keys as a member of these groups (CMS data updated 2026-10-02).
- Central Dupage Emergency Physicians PC38 clinicians in the group
- City of Clinton19 clinicians in the group
- Epss LLC - East Series12 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Winfield
Clinicians with the same Medicare primary specialty in Winfield, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881783793 |
| 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