Tsauyu Lin, MD
NPI 1477527331ActiveIndividual· Internal Medicine, Gastroenterology· Tyler, TX
Internal Medicine, Gastroenterology (MD) in Tyler, Texas, trained at Vanderbilt University School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $1,587,530 for 2,700 claims, against $169,165 paid for services in 2024. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $370.05 in all, mostly food and beverage.
Overview
| NPI | 1477527331 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 15, 2006 |
| Last updated in NPPES | Oct 13, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | M0797 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 973 |
|---|---|
| Services billed | 1,669 across 58 procedure codes |
| Paid by Medicare | $169,165 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,700 · 3,793 30-day fills |
|---|---|
| Patients | 1,251 |
| Total drug cost | $1,587,530 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Gastroenterology |
Medical group
- Christus Trinity Clinic TexasTyler, TX · 1,540 clinicians
Hospital affiliations
- Christus Mother Frances HospitalTyler, TX
- Christus Mother Frances Hospital Sulphur SpringsSulphur Springs, TX
- Ut Health East Texas Tyler Regional HospitalTyler, TX
Industry payments (Open Payments)
- 2025$370.05 · 15 payments from 3 companies
- 2024$282.11 · 13 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $197.81 | 2 |
| Abbvie Inc. | $137.60 | 12 |
| Medtronic, Inc. | $34.64 | 1 |
What the 2025 payments were for
- Food and Beverage$370.05 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Tyler
- 1073526604
- 1265445886
- 1275915506
- 1285619205
- 1285810630
- 1316331267
- 1376106872
- 1548236284
- 1568435394
- 1619237534
- 1629061171
- 1689641391
All 30 gastroenterologists in Tyler · All gastroenterologists in Texas