William Ruxi Zhang, MD
NPI 1679034649ActiveIndividual· Dermatology· Torrance, CA
Dermatology (MD) in Torrance, California, trained at University of California, San Francisco School of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $593,225 for 1,652 claims, against $177,360 paid for services in 2024. Galderma Laboratories, L.P. reported $354.92 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1679034649 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2019 |
| Last updated in NPPES | Oct 2, 2023 |
| Certified by provider | Oct 2, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A178954 | 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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 699 |
|---|---|
| Services billed | 3,105 across 71 procedure codes |
| Paid by Medicare | $177,360 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,652 · 2,061 30-day fills |
|---|---|
| Patients | 550 |
| Total drug cost | $593,225 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Dermatology |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Industry payments (Open Payments)
- 2025$354.92 · 7 payments from 1 company
- 2024$149.80 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Galderma Laboratories, L.P. | $354.92 | 7 |
What the 2025 payments were for
- Food and Beverage$354.92 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other dermatologists in Torrance
- 1003859802
- 1013199868
- 1114983467
- 1144470162
- 1225194103
- 1245269984
- 1316204936
- 1386687929
- 1396107314
- 1457770273
- 1548416019
- 1639240237
All 54 dermatologists in Torrance · All dermatologists in California