Tad D. Nair, MD
Hospitalist Physician · Chicago, IL
Tad D. Nair, MD is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1225352727, issued on Mar 26, 2010. Check the license (Illinois 036132576, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Tad D. Nair
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036132576 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield RD, Chicago, IL 60190
- Phone
- (630) 469-9200
- Enumerated
- Mar 26, 2010
- Record last updated
- Jun 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20130731000712); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Verify Tad D. Nair 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 036132576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average hospitalist physician in 2024
173 Medicare Part D claims for 106 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Metoprolol Succinate12 claims
- Pantoprazole Sodium11 claims
- Prednisone11 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.
Bills Medicare through one group practice
- Dupage Medical Group LtdWinfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tad D. Nair among 1,535 hospitalist physician records in Illinois
Tad D. Nair, 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 2010, is newer than 30% of them.
- NPI issued2010 · 30% of these records are older, 65% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2010 · median 2013 among the 1,339 with a school on file
- Record last updated2023 · 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).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Chicago → 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 Tad D. Nair, MD's NPI number?
Tad D. Nair, MD's National Provider Identifier (NPI) is 1225352727, issued on Mar 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Tad D. Nair, MD located?
The NPPES record lists a practice address at 25 N Winfield RD, Chicago, IL, 60190. Phone: (630) 469-9200. Providers update this record themselves, so call before visiting.
How can I verify Tad D. Nair, MD's license?
NPPES lists Illinois license number 036132576, 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 Tad D. Nair, MD prescribe under Medicare Part D?
In 2024, Tad D. Nair, MD had 173 Medicare Part D claims for 106 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.