Asad S. Aziz, D.O.
Gastroenterology Physician · Hoffman Estates, IL
Asad S. Aziz, D.O. is a gastroenterology physician with a practice address in Hoffman Estates, Illinois, and NPI 1538140082, issued on Nov 10, 2005. Check the license (Illinois 036105904, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Asad S. Aziz
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036105904 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2359 Hassell RD, Hoffman Estates, IL 60169
- Phone
- (630) 717-2600
- Enumerated
- Nov 10, 2005
- Record last updated
- Aug 3, 2023
- Medicare enrollment
- Enrolled (PECOS I20050418000928); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 2359 Hassell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeanette Ackland, APRNNurse Practitioner1902625585
- Khursheed Ahmed, MDInternal Medicine Physician1619917523
- Saba Ahmed, DOFamily Medicine Physician1609339829
- Aelia Akbar, MDInternal Medicine Physician1164092060
- Katie Akers, APNNurse Practitioner1467920009
- Carl Albun, M.D.Gastroenterology Physician1457332231
Verify Asad S. Aziz 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 036105904Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average gastroenterology physician in 2024
1,273 Medicare Part D claims for 457 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Pantoprazole Sodium434 claims
- Sod Sulf-Potass Sulf-Mag Sulf99 claims
- Omeprazole87 claims
- Famotidine64 claims
- Gavilyte-G60 claims
- Sucralfate57 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: $246.47
5 payments; by number, the most common kind was food and beverage; the largest payer was Aimmune Therapeutics, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Dupage Medical Group LtdSchaumburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Asad S. Aziz among 887 gastroenterology physician records in Illinois
Asad S. Aziz, D.O. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1999 · median 2003 among the 643 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Hoffman Estates → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Carl Albun, M.D.Hoffman Estates, IL 601691457332231
- Mark Dubin, M.D.Hoffman Estates, IL 601691245202704
- Naser Khan, MDHoffman Estates, IL 601691437270253
- Brian Muska, M.D.Hoffman Estates, IL 601691497736276
- Sheena Patel Cooke, M.D.Hoffman Estates, IL 601691750677621
- Bradley Shapiro, M.D.Hoffman Estates, IL 601691003897786
- Richard Song, M.D.Hoffman Estates, IL 601691710011416
- George Zahrebelski, M.D.Hoffman Estates, IL 601691013001924
Common questions
What is Asad S. Aziz, D.O.'s NPI number?
Asad S. Aziz, D.O.'s National Provider Identifier (NPI) is 1538140082, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Asad S. Aziz, D.O. located?
The NPPES record lists a practice address at 2359 Hassell RD, Hoffman Estates, IL, 60169. Phone: (630) 717-2600. Providers update this record themselves, so call before visiting.
How can I verify Asad S. Aziz, D.O.'s license?
NPPES lists Illinois license number 036105904, 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 Asad S. Aziz, D.O. prescribe under Medicare Part D?
In 2024, Asad S. Aziz, D.O. had 1,273 Medicare Part D claims for 457 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.