Mohammad Fayyaz, MD
Gastroenterology Physician · Chicago, IL
Mohammad Fayyaz, MD is a gastroenterology physician with a practice address in Chicago, Illinois, and NPI 1992731616, issued on Jun 24, 2006. Check the license (Illinois 036.172365, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mohammad Fayyaz
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 036.172365 IL
2044462-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1009 S Wood St, Chicago, IL 60612
- Phone
- (312) 996-3800
- Enumerated
- Jun 24, 2006
- Record last updated
- Oct 28, 2024
- Medicaid ID
- 01610186 NY
- Medicare enrollment
- Enrolled (PECOS I20241211000583); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 1009 S Wood St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mohammad Fayyaz 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 036.172365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average gastroenterology physician in 2024
3,036 Medicare Part D claims for 734 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Famotidine936 claims
- Pantoprazole Sodium632 claims
- Lansoprazole332 claims
- Omeprazole329 claims
- Mesalamine87 claims
- Linzess66 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: $444.38
25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- The Board OF Trustees OF The University OF IllinoisChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mohammad Fayyaz among 887 gastroenterology physician records in Illinois
Mohammad Fayyaz, MD 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1990 · median 2003 among the 643 with a school on file
- Record last updated2024 · 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 Chicago → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Frida Abrahamian, MDChicago, IL 606121447274279
- Purnima Balachandran, MDChicago, IL 606121659318509
- Michael Brown, M.D.Chicago, IL 606121265477293
- Keith Bruninga, M.D.Chicago, IL 606121881638823
- Mark Demeo, M.D.Chicago, IL 606121972549327
- Benjamin Go, M.D.Chicago, IL 606121982624946
- Ali Keshavarzian, M.D.Chicago, IL 606121558302257
- Srinadh Komanduri, M.D.Chicago, IL 606121952342339
Common questions
What is Mohammad Fayyaz, MD's NPI number?
Mohammad Fayyaz, MD's National Provider Identifier (NPI) is 1992731616, issued on Jun 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mohammad Fayyaz, MD located?
The NPPES record lists a practice address at 1009 S Wood St, Chicago, IL, 60612. Phone: (312) 996-3800. Providers update this record themselves, so call before visiting.
How can I verify Mohammad Fayyaz, MD's license?
NPPES lists Illinois license number 036.172365, 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 Mohammad Fayyaz, MD prescribe under Medicare Part D?
In 2024, Mohammad Fayyaz, MD had 3,036 Medicare Part D claims for 734 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.