Yixi Tu, MD
NPI 1861854929 · Gastroenterology Physician · Alton, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yixi Tu, MD is a Gastroenterology Physician provider in Alton, IL (NPI 1861854929).
Provider details
- NPI number
- 1861854929
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2019014406 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
321 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 59 | $248 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 51 | $128 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 50 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 45 | $113 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 39 | $114 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 108 | 52 |
| Pantoprazole Sodium | 75 | 33 |
| Nortriptyline Hcl | 25 | — |
| Lipase/Protease/Amylasebrand: Creon | 23 | — |
| Esomeprazole Magnesium | 22 | — |
| Linaclotidebrand: Linzess | 21 | — |
| Famotidine | 18 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$421 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1225 S Grand BlvdSaint Louis, MO 63104-1016Phone: (314) 977-2186Fax: (314) 977-1660
Registry dates
- Enumerated
- 2016-03-28
- Last updated
- 2022-08-10
- Certified
- 2022-08-10
Frequently asked questions
- What is Yixi Tu's NPI number?
- Yixi Tu's National Provider Identifier (NPI) is 1861854929, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yixi Tu's specialty?
- Yixi Tu is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Yixi Tu located?
- Yixi Tu's practice location on file with NPPES is 4 Memorial Dr Ste 230, Alton, IL 62002-6704.
- What is Yixi Tu's phone number?
- The practice phone number listed in the NPPES registry for Yixi Tu is (618) 463-7874.
- Does Yixi Tu accept Medicare?
- Yixi Tu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yixi Tu's NPI active?
- Yes — Yixi Tu's NPI (1861854929) is active in the NPPES registry as of the last update on 2022-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.