Quick answers
- Which hospitals does Bassem Chaar work at?
- Medicare's official clinician data lists Bassem Chaar at 4 hospitals: Advocate Christ Hospital & Medical Center, OSF Little Company of Mary Medical Center, Palos Community Hospital and Silver Cross Hospital and Medical Centers. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Bassem Chaar see patients?
- Medicare's clinician data lists 2 practice locations, including Hazel Crest, IL and Oak Lawn, IL. Call before your visit to confirm the address.
- What is Bassem Chaar's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does Bassem Chaar accept Medicare assignment?
- Yes. Medicare's clinician data says Bassem Chaar 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.
- Does Bassem Chaar offer telehealth?
- Medicare's clinician data says Bassem Chaar offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Bassem Chaar?
- (708) 478-4302, as listed in official Medicare / NPI Registry data.
- What is Bassem Chaar's NPI number?
- 1497783179. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Bassem Chaar works
Medicare's Facility Affiliation Data lists Bassem Chaar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · CCN 140208
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · CCN 140179
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
- Silver Cross Hospital and Medical CentersNew Lenox, IL · Acute Care Hospital · CCN 140213
Practice locations
Addresses where Bassem Chaar is enrolled with Medicare (CMS data updated 2026-10-02).
- 17850 Kedzie Ave, Suite 2600Hazel Crest, IL 60429 (708) 478‑4302
- 4301 W 95th StOak Lawn, IL 60453 (708) 424‑9710
Group practices
Medicare enrollment lists Bassem Chaar as a member of this group (CMS data updated 2026-10-02).
- Affiliated Oncologists LLC44 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1497783179 |
| 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