Quick answers
- Which hospitals does Osama Alsaied work at?
- Medicare's official clinician data lists Osama Alsaied at 4 hospitals: Advocate Condell Medical Center, Advocate Illinois Masonic Medical Center, Advocate Lutheran General Hospital and Community First Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Osama Alsaied see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Osama Alsaied's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Osama Alsaied accept Medicare assignment?
- Yes. Medicare's clinician data says Osama Alsaied 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 Osama Alsaied?
- (773) 296-5090, as listed in official Medicare / NPI Registry data.
- What is Osama Alsaied's NPI number?
- 1861635153. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Osama Alsaied works
Medicare's Facility Affiliation Data lists Osama Alsaied at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Condell Medical CenterLibertyville, IL · Acute Care Hospital · CCN 140202
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · CCN 140182
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · CCN 140223
- Community First Medical CenterChicago, IL · Acute Care Hospital · CCN 140251
Practice locations
Addresses where Osama Alsaied is enrolled with Medicare (CMS data updated 2026-10-02).
- 3000 N Halsted St, Suite 509Chicago, IL 60657 (773) 296‑5090
Group practices
Medicare enrollment lists Osama Alsaied as a member of this group (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861635153 |
| 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