Numaan Mahmood, MD
Hospitalist Physician · Winfield, IL
Numaan Mahmood, MD is a hospitalist physician with a practice address in Winfield, Illinois, and NPI 1780375642, issued on May 19, 2023. Check the license (Illinois 036-180918, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Numaan Mahmood
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036-180918 IL
R80243 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield RD Ste 300, Winfield, IL 60190
- Phone
- (630) 456-7178
- Enumerated
- May 19, 2023
- Record last updated
- Aug 6, 2026
- Fax
- (630) 456-7486
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 25 N Winfield RD Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tally Hollin, A.P.N.Family Nurse Practitioner1518251149
- Katherine Hoyme, R.N., M.S.N., NP-CNurse Practitioner1548604424
- Breanne Klein, APNNurse Practitioner1255165775
Verify Numaan Mahmood 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 036-180918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average hospitalist physician in 2024
240 Medicare Part D claims for 69 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis18 claims
- Atorvastatin Calcium14 claims
- Pantoprazole Sodium11 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.
Numaan Mahmood among 1,535 hospitalist physician records in Illinois
Numaan Mahmood, MD is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, 0% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 87% of these records are
- Record last updated2026 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
74 hospitalist physician records list a practice address in Winfield
They are 74 of the 778 NPPES records with a practice address in Winfield, and 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Winfield → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Anju Agarwal, DOWinfield, IL 601901952335671
- Nathan Bolden, M.D.Winfield, IL 601901124292727
- Joan Garvey, M.D.Winfield, IL 601901891989703
- Gail Gizzo-Waitley, MDWinfield, IL 601901518954270
- Patrick Gordon, MDWinfield, IL 601901538181375
- Victoria Greenfield, MDWinfield, IL 601901881801165
- John Hardek, M.D.Winfield, IL 601901710945126
- Kashif Janjua, M.D.Winfield, IL 601901558522730
Common questions
What is Numaan Mahmood, MD's NPI number?
Numaan Mahmood, MD's National Provider Identifier (NPI) is 1780375642, issued on May 19, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Numaan Mahmood, MD located?
The NPPES record lists a practice address at 25 N Winfield RD Ste 300, Winfield, IL, 60190. Phone: (630) 456-7178. Providers update this record themselves, so call before visiting.
How can I verify Numaan Mahmood, MD's license?
NPPES lists Illinois license number 036-180918, 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 Numaan Mahmood, MD prescribe under Medicare Part D?
In 2024, Numaan Mahmood, MD had 240 Medicare Part D claims for 69 beneficiaries; the average among hospitalist physician prescribers was 521. 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.