Yixi Tu, MD
Gastroenterology Physician · Alton, IL
Yixi Tu, MD is a gastroenterology physician with a practice address in Alton, Illinois, and NPI 1861854929, issued on Mar 28, 2016. Check the license (Illinois 036160114, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Yixi Tu
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 036160114 IL
2019014406 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4 Memorial Dr Ste 230, Alton, IL 62002
- Phone
- (618) 463-7874
- Enumerated
- Mar 28, 2016
- Record last updated
- Aug 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20260402000468); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 4 Memorial Dr Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Aldridge, M.D.Surgery Physician1104026707
- Chase Baxter, DOPulmonary Disease Physician1487145264
- Audrey Brennan, FNP-CNurse Practitioner1679231690
- Brandy Byrd, FNPNurse Practitioner1902217540
- Emily Cottrell, FNP-BCNurse Practitioner1295262459
- Kaycee Eyers, FNPFamily Nurse Practitioner1750818522
Verify Yixi Tu 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 036160114Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average gastroenterology physician in 2024
490 Medicare Part D claims for 148 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole108 claims
- Pantoprazole Sodium75 claims
- Nortriptyline Hcl25 claims
- Creon23 claims
- Esomeprazole Magnesium22 claims
- Linzess21 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: $420.68
14 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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 Emory Clinic IncAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yixi Tu among 887 gastroenterology physician records in Illinois
Yixi Tu, 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 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2016 · median 2003 among the 643 with a school on file
- Record last updated2022 · 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 Alton → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Mark Allendorph, M.D.Alton, IL 620021922094002
- Ahmad Karadaghy, M.D.Alton, IL 620021619963063
- Khalid Naseer, MDAlton, IL 620021851341366
- David Riedel, MDAlton, IL 620021073505004
- Mei Huang, M.D.Edwardsville, IL 620251417972597
- David Lotsoff, M.D.Edwardsville, IL 620251205807328
- Karen Sein Ohn, MDGranite City, IL 620401518119536
- Mark Fedder, MDMaryville, IL 620621922009943
Common questions
What is Yixi Tu, MD's NPI number?
Yixi Tu, MD's National Provider Identifier (NPI) is 1861854929, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Yixi Tu, MD located?
The NPPES record lists a practice address at 4 Memorial Dr Ste 230, Alton, IL, 62002. Phone: (618) 463-7874. Providers update this record themselves, so call before visiting.
How can I verify Yixi Tu, MD's license?
NPPES lists Illinois license number 036160114, 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 Yixi Tu, MD prescribe under Medicare Part D?
In 2024, Yixi Tu, MD had 490 Medicare Part D claims for 148 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.