Haroon Yousaf Chaudhary, DO
Hospitalist Physician · Downers Grove, IL
Haroon Yousaf Chaudhary, DO is a hospitalist physician with a practice address in Downers Grove, Illinois, and NPI 1295027498, issued on May 5, 2011. Check the license (Illinois 036137388, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Haroon Yousaf Chaudhary
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036137388 IL
2747-321 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3815 Highland Ave, Downers Grove, IL 60515
- Phone
- (630) 275-3285
- Enumerated
- May 5, 2011
- Record last updated
- Jan 14, 2025
- Fax
- (708) 346-8285
- Medicaid ID
- 100240539 WI
- Medicare enrollment
- Enrolled (PECOS I20230628003440); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3815 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sadiqa Abbas, M.D.Interventional Pain Medicine Physician1528010634
- Nicole Ahrens, CRNACertified Registered Nurse Anesthetist1578154340
- Aristides Alexander, M.D.Emergency Medicine Physician1881009082
- Yorleni Ambrosio, RN, CNSNeonatal Intensive Care Registered Nurse1720465065
- Manisa Baker, APNAcute Care Clinical Nurse Specialist1023479508
- Michelle BankheadSurgical Assistant1568921039
Verify Haroon Yousaf Chaudhary 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 036137388Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average hospitalist physician in 2024
245 Medicare Part D claims for 121 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Pantoprazole Sodium27 claims
- Eliquis18 claims
- Hydrocodone-Acetaminophen18 claims
- Metoprolol Succinate16 claims
- Cefdinir11 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 2 group practices
- Advocate Health And Hospitals CorporationPark Ridge, IL
- Aurora Medical Group, Inc.Kenosha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
Other hospitalist physician records in Illinois
- Hasan Abad, D.O.Chicago, IL1356872006
- Pamela Abadi, D.O.Winfield, IL1588820179
- Misha Abbasi, MDChicago, IL1770111635
- Hossam Abdel Aziz, MDWinfield, IL1114558145
- Eman Abdel-Latief, M.D.Evanston, IL1508229949
- Ashraf Abdeljaber, M.DNormal, IL1023472636
- Maysa Abdul Hussain, MDChicago, IL1245417070
- Shabreen Abdul Sharief, MDHuntley, IL1992025118
- Eyad Abdulrazzak, MDEvanston, IL1710592589
- Syed Abdur-Rahman, MDDekalb, IL1538658729
Common questions
What is Haroon Yousaf Chaudhary, DO's NPI number?
Haroon Yousaf Chaudhary, DO's National Provider Identifier (NPI) is 1295027498, issued on May 5, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Haroon Yousaf Chaudhary, DO located?
The NPPES record lists a practice address at 3815 Highland Ave, Downers Grove, IL, 60515. Phone: (630) 275-3285. Providers update this record themselves, so call before visiting.
How can I verify Haroon Yousaf Chaudhary, DO's license?
NPPES lists Illinois license number 036137388, 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 Haroon Yousaf Chaudhary, DO prescribe under Medicare Part D?
In 2024, Haroon Yousaf Chaudhary, DO had 245 Medicare Part D claims for 121 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.