Ithaar Derweesh, MD
Urology Physician · Chicago, IL
Ithaar Derweesh, MD is a urology physician with a practice address in Chicago, Illinois, and NPI 1003873720, issued on Apr 27, 2006. Check the license (Illinois 036.176621, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ithaar Derweesh
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 036.176621 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1725 W Harrison St Ste 970, Chicago, IL 60612
- Phone
- (312) 563-3447
- Enumerated
- Apr 27, 2006
- Record last updated
- Feb 16, 2026
- Fax
- (312) 563-3721
- Medicaid ID
- 3332625 TN
- Medicare enrollment
- Enrolled (PECOS I20250829002144); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 629 in Illinois → Look up another NPI →
Also registered at 1725 W Harrison St Ste 970
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Adelstein, MDUrogynecology and Reconstructive Pelvic Surgery (Urology) Physician1356667224
- Sarah Armitage, MDUrology Physician1043681992
- Francis Lawrence CocjinCritical Care Medicine (Internal Medicine) Physician1518596337
- Shane Davis, MDUrology Physician1619710670
- Oren Feldman-SchultzUrology Physician1154053718
- Jeremy Golon, PA-CPhysician Assistant1437865680
Verify Ithaar Derweesh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.176621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average urology physician in 2024
201 Medicare Part D claims for 74 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl76 claims
- Finasteride47 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 76.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $638.05
12 payments; by number, the most common kind was food and beverage; the largest payer was Histosonics, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Mercy Clinic Joplin LLCJoplin, MO
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ithaar Derweesh among 629 urology physician records in Illinois
Ithaar Derweesh, MD is one of 629 urology physician records with a practice address in Illinois. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 54% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1995 · median 2002 among the 341 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in Illinois
There are 629 urology physician records in Illinois.
All 629 in Illinois → Every provider in Chicago → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Christopher Coogan, M.D.Chicago, IL 606121568412716
- Jerome Hoeksema, MDChicago, IL 606121235102328
- Courtney Hollowell, MDChicago, IL 606121326057712
- Narendra Khare, MDChicago, IL 606121235191347
- Laurence Levine, MDChicago, IL 606121922072131
- Stewart LipsonChicago, IL 606121982615290
- Charles McKiel, MDChicago, IL 606121700863057
- Craig Niederberger, M.D.Chicago, IL 606121700991270
Common questions
What is Ithaar Derweesh, MD's NPI number?
Ithaar Derweesh, MD's National Provider Identifier (NPI) is 1003873720, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ithaar Derweesh, MD located?
The NPPES record lists a practice address at 1725 W Harrison St Ste 970, Chicago, IL, 60612. Phone: (312) 563-3447. Providers update this record themselves, so call before visiting.
How can I verify Ithaar Derweesh, MD's license?
NPPES lists Illinois license number 036.176621, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ithaar Derweesh, MD prescribe under Medicare Part D?
In 2024, Ithaar Derweesh, MD had 201 Medicare Part D claims for 74 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Ithaar Derweesh, MD's MIPS final score?
The 2023 MIPS final score is 76.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.