Michelle Lai Wong, PA-C
NPI 1932201977ActiveIndividual· Physician Assistant· Castro Valley, CA
Physician Assistant (PA-C) with University Healthcare Alliance, practicing in Castro Valley, California. In 2024 Medicare paid $50,462 for 508 patients, and Part D covered 676 of their prescriptions, 87% of them generic. Genentech USA, Inc. reported $16.96 in payments in 2025, mostly food and beverage. Lists Stanford Health Care and 1 other hospital as hospital affiliations.
Overview
| NPI | 1932201977 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 1, 2006 |
| Last updated in NPPES | Aug 2, 2023 |
| Certified by provider | Aug 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA15658 | CA |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 508 |
|---|---|
| Services billed | 829 across 25 procedure codes |
| Paid by Medicare | $50,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 676 · 754 30-day fills |
|---|---|
| Patients | 429 |
| Total drug cost | $25,431 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- University Healthcare AlliancePleasanton, CA · 327 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
- 2025$16.96 · 1 payment from 1 company
- 2024$27.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech USA, Inc. | $16.96 | 1 |
What the 2025 payments were for
- Food and Beverage$16.96 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 physician assistants in Castro Valley · All physician assistants in California