Wei Hang Chen-Wu
NPI 1063031219ActiveIndividual· Physician Assistant· Ontario, CA
Physician Assistant with Totalcare Walk in Clinic Inc and 1 other group, practicing in Ontario, California. 98 Medicare patients in 2024, $9,816,648 paid; nearly all of their 2,223 Part D prescriptions were generic (91%). Bayer Healthcare Pharmaceuticals Inc. was the largest of 3 companies reporting payments in 2025, $80.63 in all, mostly food and beverage.
Overview
| NPI | 1063031219 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Apr 8, 2020 |
| Last updated in NPPES | Jan 28, 2026 |
| Certified by provider | Jan 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 59231 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 | 98 |
|---|---|
| Services billed | 9,186 across 25 procedure codes |
| Paid by Medicare | $9,816,648 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,223 · 4,701 30-day fills |
|---|---|
| Patients | 543 |
| Total drug cost | $163,940 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- Totalcare Walk in Clinic IncColton, CA · 9 clinicians
- Pro Vital Medical Group, IncCorona, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$80.63 · 4 payments from 3 companies
- 2024$24.86 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $29.33 | 2 |
| Lilly USA, LLC | $27.68 | 1 |
| Exact Sciences Corporation | $23.62 | 1 |
What the 2025 payments were for
- Food and Beverage$80.63 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 38 physician assistants in Ontario · All physician assistants in California