Kevin Tianber Yin
NPI 1689311011ActiveIndividual· Internal Medicine· O Fallon, MO
Internal Medicine in O Fallon, Missouri, trained at Saint Louis University School of Medicine (class of 2022). Part D covered 753 prescriptions written in 2024, 89% of them generic. Cook Medical LLC was the largest of 5 companies reporting payments in 2025, $164.79 in all, mostly food and beverage.
Overview
| NPI | 1689311011 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | May 17, 2022 |
| Last updated in NPPES | Aug 6, 2025 |
| Certified by provider | Aug 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2025011705 | MO |
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 - Internal Medicine (MO) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 753 · 884 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $39,532 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2022 |
| Medicare specialty | Internal Medicine |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliation
- Mercy Hospital St LouisSaint Louis, MO
Industry payments (Open Payments)
- 2025$164.79 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cook Medical LLC | $86.24 | 1 |
| Abbvie Inc. | $27.44 | 1 |
| Exact Sciences Corporation | $21.92 | 1 |
| Collegium Pharmaceutical, Inc. | $15.70 | 1 |
| Amgen Inc. | $13.49 | 1 |
What the 2025 payments were for
- Food and Beverage$164.79 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 internal medicine physicians in O Fallon · All internal medicine physicians in Missouri