Mike Tzuhen Wei, MD
NPI 1417311408ActiveIndividual· Internal Medicine, Gastroenterology· Stanford, CA
Internal Medicine, Gastroenterology (MD) with Stanford Health Care, practicing in Stanford, California. In 2024 Medicare paid $117,358 for 336 patients, and Part D covered 616 of their prescriptions, 80% of them generic. Capsovision, Inc. reported $174,823 in payments in 2025, mostly consulting fees. Lists Stanford Health Care and 1 other hospital as hospital affiliations.
Overview
| NPI | 1417311408 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 6, 2016 |
| Last updated in NPPES | Apr 12, 2024 |
| Certified by provider | Apr 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A150927 | CA |
| Internal Medicine | 207R00000X | A150927 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 1,073 across 46 procedure codes |
| Paid by Medicare | $117,358 |
Part D prescriptions in 2024
| Prescriptions (claims) | 616 · 966 30-day fills |
|---|---|
| Patients | 282 |
| Total drug cost | $135,844 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$174,823 · 10 payments from 1 company
- 2024$131,763 · 14 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Capsovision, Inc. | $174,823 | 10 |
What the 2025 payments were for
- Consulting Fee$174,823 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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