Quick answers
- Which hospitals does Isoken Koko work at?
- Medicare's official clinician data lists Isoken Koko at 5 hospitals: Insight Hospital and Medical Center Chicago, Loyola Gottlieb Memorial Hospital, Loyola University Medical Center, Rush Oak Park Hospital and West Suburban Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Isoken Koko see patients?
- Medicare's clinician data lists 2 practice locations, including Chicago, IL and River Forest, IL. Call before your visit to confirm the address.
- What is Isoken Koko's specialty?
- Medicare lists Hematology/Oncology as the primary specialty, and also Internal Medicine.
- Does Isoken Koko accept Medicare assignment?
- Yes. Medicare's clinician data says Isoken Koko 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 Isoken Koko?
- (708) 382-1498, as listed in official Medicare / NPI Registry data.
- What is Isoken Koko's NPI number?
- 1265465728. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Isoken Koko works
Medicare's Facility Affiliation Data lists Isoken Koko at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Insight Hospital and Medical Center ChicagoChicago, IL · Acute Care Hospital · CCN 140158
- Loyola Gottlieb Memorial HospitalMelrose Park, IL · Acute Care Hospital · CCN 140008
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · CCN 140276
- Rush Oak Park HospitalOak Park, IL · Acute Care Hospital · CCN 140063
- West Suburban Medical CenterOak Park, IL · Acute Care Hospital · CCN 140049
Practice locations
Addresses where Isoken Koko is enrolled with Medicare (CMS data updated 2026-10-02).
- 2525 S Michigan AveChicago, IL 60616 (708) 382‑1498
- 7420 Central AveRiver Forest, IL 60305 (708) 763‑2700
Group practices
Medicare enrollment lists Isoken Koko as a member of this group (CMS data updated 2026-10-02).
- Insight Chicago Inc141 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265465728 |
| 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