Shaham S. Mumtaz, MD
Gastroenterology Physician · Winfield, IL
Shaham S. Mumtaz, MD is a gastroenterology physician with a practice address in Winfield, Illinois, and NPI 1487996526, issued on Mar 26, 2013. Check the license (Illinois 125.063006, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Shaham S. Mumtaz
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 125.063006 IL
C206608 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield RD Ste 420, Winfield, IL 60190
- Phone
- (630) 682-8700
- Enumerated
- Mar 26, 2013
- Record last updated
- Jul 15, 2026
- Medicare enrollment
- Enrolled (PECOS I20190715002060); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 25 N Winfield RD Ste 420
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emina Bolt, APRN, CNPNurse Practitioner1356017859
- Ryan Debrock, APRN, CNPNurse Practitioner1629759022
- Dhiraj Gulati, MDGastroenterology Physician1598920274
- Faizan KhanGastroenterology Physician1417478280
- Sarah Lim-Dwyer, APRN, CNPNurse Practitioner1154969103
- Madhu Mathew, MDGastroenterology Physician1366971152
Verify Shaham S. Mumtaz 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 125.063006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% more Medicare Part D claims than the average gastroenterology physician in 2024
903 Medicare Part D claims for 401 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Pantoprazole Sodium286 claims
- Peg 3350-Electrolyte165 claims
- Omeprazole89 claims
- Linzess44 claims
- Gavilyte-G28 claims
- Sod Sulf-Potass Sulf-Mag Sulf21 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $249.55
3 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
- Northwestern Medical Faculty FoundationWinfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shaham S. Mumtaz among 887 gastroenterology physician records in Illinois
Shaham S. Mumtaz, 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2013 · median 2003 among the 643 with a school on file
- Record last updated2026 · 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).
9 gastroenterology physician records list a practice address in Winfield
They are 9 of the 778 NPPES records with a practice address in Winfield, and 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Winfield → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michelle Godbee, MD, MPHWinfield, IL 601901720573652
- Dhiraj Gulati, MDWinfield, IL 601901598920274
- Faizan KhanWinfield, IL 601901417478280
- Andelka Losavio, MDWinfield, IL 601901831315852
- Madhu Mathew, MDWinfield, IL 601901366971152
- Margaret Morrison, M.DWinfield, IL 601901053841809
- Nisha Shah, M.D.Winfield, IL 601901568547784
- Lidia Spaho, M.D.Winfield, IL 601901124414859
Common questions
What is Shaham S. Mumtaz, MD's NPI number?
Shaham S. Mumtaz, MD's National Provider Identifier (NPI) is 1487996526, issued on Mar 26, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Shaham S. Mumtaz, MD located?
The NPPES record lists a practice address at 25 N Winfield RD Ste 420, Winfield, IL, 60190. Phone: (630) 682-8700. Providers update this record themselves, so call before visiting.
How can I verify Shaham S. Mumtaz, MD's license?
NPPES lists Illinois license number 125.063006, 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 Shaham S. Mumtaz, MD prescribe under Medicare Part D?
In 2024, Shaham S. Mumtaz, MD had 903 Medicare Part D claims for 401 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Shaham S. Mumtaz, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.