Quick answers
- Which hospitals does Ellen J. Gustafson work at?
- Medicare's official clinician data lists Ellen J. Gustafson at 4 hospitals: Morris Hospital & Healthcare Centers, Saint Joseph Medical Center, Silver Cross Hospital and Medical Centers and University of Illinois Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ellen J. Gustafson see patients?
- Medicare's clinician data lists 4 practice locations, including Morris, IL, Chicago, IL and New Lenox, IL. Call before your visit to confirm the address.
- What is Ellen J. Gustafson's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine and Medical Oncology.
- Does Ellen J. Gustafson accept Medicare assignment?
- Yes. Medicare's clinician data says Ellen J. Gustafson 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 Ellen J. Gustafson?
- (630) 560-0121, as listed in official Medicare / NPI Registry data.
- What is Ellen J. Gustafson's NPI number?
- 1245296896. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ellen J. Gustafson works
Medicare's Facility Affiliation Data lists Ellen J. Gustafson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Morris Hospital & Healthcare CentersMorris, IL · Acute Care Hospital · CCN 140101
- Saint Joseph Medical CenterJoliet, IL · Acute Care Hospital · CCN 140007
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · CCN 140213
- University of Illinois Hospital and ClinicsChicago, IL · Acute Care Hospital · CCN 140150
Practice locations
Addresses where Ellen J. Gustafson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1515 Creek DrMorris, IL 60450 (630) 560‑0121
- 1801 W Taylor StChicago, IL 60612
- 668 Cedar Crossings DrNew Lenox, IL 60451 (630) 560‑0121
- 845 W Wilson Ave, Uic MedicineChicago, IL 60640 (312) 744‑1295
Group practices
Medicare enrollment lists Ellen J. Gustafson as a member of these groups (CMS data updated 2026-10-02).
- The Board of Trustees of the University of Illinois1,150 clinicians in the group
- Hope and Healing Cancer Services LLC3 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
- Medical Oncologyalso
Other hematologist-oncologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1978 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245296896 |
| 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