Wei Michael Si, MD
NPI 1467433532ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Irving, TX
Pathology, Anatomic Pathology & Clinical Pathology (MD) with Austin Pathology Associates and 1 other group, practicing in Irving, Texas. Medicare paid $1,115 for services to 16 patients in 2024. Lists Christus Mother Frances Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1467433532 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 7, 2005 |
| Last updated in NPPES | Oct 21, 2026 |
| Certified by provider | Oct 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | M2103 | TX |
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 - Pathology (LA); Practitioner - Pathology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 38 across 10 procedure codes |
| Paid by Medicare | $1,115 |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Pathology |
Medical groups
- Austin Pathology AssociatesTyler, TX · 78 clinicians
- Propath Associates PLLCDallas, TX · 41 clinicians
Hospital affiliations
- Christus Mother Frances HospitalTyler, TX
- Christus Mother Frances Hospital Sulphur SpringsSulphur Springs, TX
- Christus Shreveport-Bossier Health SystemShreveport, LA
- Christus St Michael Health SystemTexarkana, TX
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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