Quick answers
- Which hospitals does Ithaar Derweesh work at?
- Medicare's official clinician data lists Ithaar Derweesh at 5 hospitals: Copley Memorial Hospital, Riverside Medical Center, Rush Oak Park Hospital, Rush University Medical Center and UC San Diego Health Hillcrest - Hillcrest Med Ctr. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ithaar Derweesh see patients?
- Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
- What is Ithaar Derweesh's specialty?
- Medicare lists Urology as the primary specialty.
- Does Ithaar Derweesh accept Medicare assignment?
- Yes. Medicare's clinician data says Ithaar Derweesh 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 Ithaar Derweesh offer telehealth?
- Medicare's clinician data says Ithaar Derweesh offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ithaar Derweesh?
- (312) 563-3447, as listed in official Medicare / NPI Registry data.
- What is Ithaar Derweesh's NPI number?
- 1003873720. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ithaar Derweesh works
Medicare's Facility Affiliation Data lists Ithaar Derweesh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Copley Memorial HospitalAurora, IL · Acute Care Hospital · CCN 140029
- Riverside Medical CenterKankakee, IL · Acute Care Hospital · CCN 140186
- Rush Oak Park HospitalOak Park, IL · Acute Care Hospital · CCN 140063
- Rush University Medical CenterChicago, IL · Acute Care Hospital · CCN 140119
- UC San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA · Acute Care Hospital · CCN 050025
Practice locations
Addresses where Ithaar Derweesh is enrolled with Medicare (CMS data updated 2026-10-02).
- 1725 W Harrison St, Suite 970Chicago, IL 60612 (312) 563‑3447
Group practices
Medicare enrollment lists Ithaar Derweesh as a member of this group (CMS data updated 2026-10-02).
- Rush University Medical Group1,551 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Chicago, Pritzker School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1003873720 |
| 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