William Chu, PA-C
NPI 1043227804ActiveIndividual· Physician Assistant, Medical· Los Angeles, CA
Physician Assistant, Medical (PA-C) in Los Angeles, California, licensed in CA, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $791,206 for 2,940 claims, against $4,692 paid for services in 2024. Verona Pharma, Inc. was the largest of 14 companies reporting payments in 2025, $2,352 in all, mostly food and beverage.
Overview
| NPI | 1043227804 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Aug 2, 2006 |
| Last updated in NPPES | Jun 27, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA 15296 | 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 | 32 |
|---|---|
| Services billed | 78 across 5 procedure codes |
| Paid by Medicare | $4,692 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,940 · 5,090 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $791,206 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Other facilities
- Sunrise Home Health Care Provider, IncHome health agency · Hacienda Heights, CA
Industry payments (Open Payments)
- 2025$2,352 · 66 payments from 14 companies
- 2024$2,839 · 91 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Verona Pharma, Inc. | $417.40 | 16 |
| Astrazeneca Pharmaceuticals LP | $400.73 | 5 |
| Amgen Inc. | $303.48 | 11 |
| Ardelyx, Inc. | $267.41 | 6 |
| Phathom Pharmaceuticals, Inc. | $172.56 | 2 |
What the 2025 payments were for
- Food and Beverage$2,352 · 66 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 229 physician assistants in Los Angeles · All physician assistants in California