Ndubisi Onah, MD
Urology Physician · Chicago, IL
Ndubisi Onah, MD is a urology physician with a practice address in Chicago, Illinois, and NPI 1750945143, issued on May 1, 2019. Check the license (Illinois 125.079965, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ndubisi Onah
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 125.079965 IL
Self-reported in NPPES; status is on the state search - Practice location
- 820 S Wood St Ste 100, Chicago, IL 60612
- Phone
- (312) 996-2933
- Enumerated
- May 1, 2019
- Record last updated
- Dec 7, 2022
- Fax
- (312) 996-3050
- Entity
- Type 1 · individual
8 nearest urology physician records → All 629 in Illinois → Look up another NPI →
Also registered at 820 S Wood St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ndubisi Onah 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 125.079965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average urology physician in 2024
59 Medicare Part D claims for 37 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl14 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.
Industry payments in 2024: $614.85
7 payments; by number, the most common kind was food and beverage; the largest payer was Cook Medical LLC. 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.
Ndubisi Onah among 629 urology physician records in Illinois
Ndubisi Onah, 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 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2022 · 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
- Ithaar Derweesh, MDChicago, IL 606121003873720
- 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
Common questions
What is Ndubisi Onah, MD's NPI number?
Ndubisi Onah, MD's National Provider Identifier (NPI) is 1750945143, issued on May 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ndubisi Onah, MD located?
The NPPES record lists a practice address at 820 S Wood St Ste 100, Chicago, IL, 60612. Phone: (312) 996-2933. Providers update this record themselves, so call before visiting.
How can I verify Ndubisi Onah, MD's license?
NPPES lists Illinois license number 125.079965, 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 Ndubisi Onah, MD prescribe under Medicare Part D?
In 2024, Ndubisi Onah, MD had 59 Medicare Part D claims for 37 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
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.