Quick answers
- Which hospitals does Malek G. Massad work at?
- Medicare's official clinician data lists Malek G. Massad at 3 hospitals: John H Stroger Jr Hospital, Mt Sinai Hospital Medical Center and University of Illinois Hospital and Clinics. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Malek G. Massad see patients?
- Medicare's clinician data lists 10 practice locations, including Chicago, IL. Call before your visit to confirm the address.
- What is Malek G. Massad's specialty?
- Medicare lists Thoracic Surgery as the primary specialty, and also Cardiac Surgery and General Surgery.
- Does Malek G. Massad accept Medicare assignment?
- Yes. Medicare's clinician data says Malek G. Massad 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 Malek G. Massad?
- (773) 522-6656, as listed in official Medicare / NPI Registry data.
- What is Malek G. Massad's NPI number?
- 1417995473. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Malek G. Massad works
Medicare's Facility Affiliation Data lists Malek G. Massad at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- John H Stroger Jr HospitalChicago, IL · Acute Care Hospital · CCN 140124
- Mt Sinai Hospital Medical CenterChicago, IL · Acute Care Hospital · CCN 140018
- University of Illinois Hospital and ClinicsChicago, IL · Acute Care Hospital · CCN 140150
Practice locations
Addresses where Malek G. Massad is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1401 S California AveChicago, IL 60608 (773) 522‑6656
- 1740 W Taylor StChicago, IL 60612
- 1801 W Taylor StChicago, IL 60612
- 1855 W Taylor StChicago, IL 60612 (312) 996‑6590
- 1855 W Taylor St, Mc648Chicago, IL 60612 (312) 996‑6590
Group practices
Medicare enrollment lists Malek G. Massad 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
- Cook County788 clinicians in the group
- Mount Sinai Community Foundation248 clinicians in the group
Specialties
- Thoracic Surgeryprimary
- Cardiac Surgeryalso
- General Surgeryalso
Other thoracic surgeons in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417995473 |
| 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