Ithaar Derweesh, MD
NPI 1003873720ActiveIndividual· Urology· Chicago, IL
Urology (MD) in Chicago, Illinois, trained at University of Chicago, Pritzker School of Medicine (class of 1995). 455 Medicare patients in 2024, $84,274 paid; nearly all of their 201 Part D prescriptions were generic (96%). Intuitive Surgical, Inc. was the largest of 4 companies reporting payments in 2025, $731.36 in all, mostly travel and lodging.
Overview
| NPI | 1003873720 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 27, 2006 |
| Last updated in NPPES | Feb 16, 2026 |
| Certified by provider | Feb 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 036.176621 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (CA); Practitioner - Urology (IL); Practitioner - Urology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 455 |
|---|---|
| Services billed | 721 across 30 procedure codes |
| Paid by Medicare | $84,274 |
Part D prescriptions in 2024
| Prescriptions (claims) | 201 · 437 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $4,902 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1995 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Rush University Medical GroupChicago, IL · 1,551 clinicians
Hospital affiliations
- Copley Memorial HospitalAurora, IL
- Riverside Medical CenterKankakee, IL
- Rush Oak Park HospitalOak Park, IL
- Rush University Medical CenterChicago, IL
- Uc San Diego Health Hillcrest - Hillcrest Med CtrSan Diego, CA
Industry payments (Open Payments)
- 2025$731.36 · 6 payments from 4 companies
- 2024$638.05 · 12 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $518.10 | 2 |
| Urogen Pharma, Inc. | $130.47 | 1 |
| Integra Lifesciences Corporation | $59.86 | 2 |
| Astrazeneca Pharmaceuticals LP | $22.93 | 1 |
What the 2025 payments were for
- Travel and Lodging$518.10 · 2 payments
- Food and Beverage$213.26 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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