Quick answers
- Which hospitals does Mark J. Kelly work at?
- Medicare's official clinician data lists Mark J. Kelly at 2 hospitals: Northwestern Medicine Central Dupage Hospital and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark J. Kelly see patients?
- Medicare's clinician data lists 4 practice locations, including Bloomingdale, IL, Winfield, IL and St Charles, IL. Call before your visit to confirm the address.
- What is Mark J. Kelly's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Mark J. Kelly accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Kelly 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 Mark J. Kelly?
- (630) 893-9600, as listed in official Medicare / NPI Registry data.
- What is Mark J. Kelly's NPI number?
- 1770641136. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark J. Kelly works
Medicare's Facility Affiliation Data lists Mark J. Kelly at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
Practice locations
Addresses where Mark J. Kelly is enrolled with Medicare (CMS data updated 2026-10-02).
- 235 S Gary AveBloomingdale, IL 60108 (630) 893‑9600
- 25 N Winfield RdWinfield, IL 60190 (630) 665‑9340
- 2900 Foxfield RdSt Charles, IL 60174 (630) 377‑6500
- 885 Roosevelt Rd, Suite 101Glen Ellyn, IL 60137 (630) 384‑6200
Group practices
Medicare enrollment lists Mark J. Kelly as a member of this group (CMS data updated 2026-10-02).
- Radiology Subspecialists of Northern Illinois LLC32 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770641136 |
| 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