Thinh Chau, MD
NPI 1811448251ActiveIndividual· Dermatology· Los Alamitos, CA
Dermatology (MD) in Los Alamitos, California, trained at University of California, Davis School of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $101,200 for 552 claims, against $4,329 paid for services in 2024. Genzyme Corporation was the largest of 24 companies reporting payments in 2025, $7,834 in all, mostly food and beverage.
Overview
| NPI | 1811448251 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 20, 2016 |
| Last updated in NPPES | Aug 27, 2024 |
| Certified by provider | Aug 27, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | A187393 | CA |
| Dermatology | 207N00000X | 187393 | CA |
| Dermatology | 207N00000X | LP04899 | RI |
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 - Dermatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 77 across 18 procedure codes |
| Paid by Medicare | $4,329 |
Part D prescriptions in 2024
| Prescriptions (claims) | 552 · 623 30-day fills |
|---|---|
| Patients | 251 |
| Total drug cost | $101,200 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Dermatology |
Medical group
- J Robert West MD IncLas Vegas, NV · 138 clinicians
Industry payments (Open Payments)
- 2025$7,834 · 185 payments from 24 companies
- 2024$1,294 · 21 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $2,165 | 12 |
| Ucb, Inc. | $1,084 | 22 |
| Janssen Biotech, Inc. | $567.58 | 22 |
| Incyte Corporation | $531.75 | 24 |
| Regeneron Pharmaceuticals, Inc. | $529.84 | 5 |
What the 2025 payments were for
- Food and Beverage$5,813 · 181 payments
- Consulting Fee$1,786 · 1 payment
- Education$172.36 · 2 payments
- Travel and Lodging$62.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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