Nazia Ayub, MD
Internal Medicine Physician · Winfield, IL
Nazia Ayub, MD is an internal medicine physician with a practice address in Winfield, Illinois, and NPI 1174812267, issued on Mar 29, 2011. Check the license (Illinois 036.135200, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nazia Ayub
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036.135200 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield RD Ste 400, Winfield, IL 60190
- Phone
- (630) 456-7178
- Enumerated
- Mar 29, 2011
- Entity
- Type 1 · individual
Also registered at 25 N Winfield RD Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nazia Ayub 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 036.135200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
290 Medicare Part D claims for 136 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 19 claims were for opioids.
Most prescribed
- Metoprolol Succinate18 claims
- Pantoprazole Sodium15 claims
- Prednisone15 claims
- Cephalexin14 claims
- Eliquis14 claims
- Metoprolol Tartrate13 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.
One hospital or facility affiliation
- Dupage Medical Group LtdWinfield, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
81 internal medicine physician records list a Winfield practice address
They are 81 of the 778 NPPES records with a Winfield practice address, and 8,522 internal medicine physician records in Illinois.
All 81 in Winfield → All 8,522 in Illinois → Every provider in Winfield →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Nazia Ayub, MD's NPI number?
Nazia Ayub, MD's National Provider Identifier (NPI) is 1174812267, issued on Mar 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nazia Ayub, MD located?
The NPPES record lists a practice address at 25 N Winfield RD Ste 400, Winfield, IL, 60190. Phone: (630) 456-7178. Providers update this record themselves, so call before visiting.
How can I verify Nazia Ayub, MD's license?
NPPES lists Illinois license number 036.135200, 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 Nazia Ayub, MD prescribe under Medicare Part D?
In 2024, Nazia Ayub, MD had 290 Medicare Part D claims for 136 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.