Derek W. Liau, MD
NPI 1366557704ActiveIndividual· Anesthesiology· Menlo Park, CA
Anesthesiology (MD) in Menlo Park, California, trained at University of Washington School of Medicine (class of 2004). Medicare paid $41,207 for services to 241 patients in 2024. Pacira Pharmaceuticals Incorporated reported $123.51 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1366557704 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | May 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A108262 | CA |
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 - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 241 |
|---|---|
| Services billed | 268 across 55 procedure codes |
| Paid by Medicare | $41,207 |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Anesthesiology |
Medical group
- G2 Anesthesia PCSan Jose, CA · 107 clinicians
Hospital affiliation
- Good Samaritan HospitalSan Jose, CA
Industry payments (Open Payments)
- 2025$123.51 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pacira Pharmaceuticals Incorporated | $123.51 | 1 |
What the 2025 payments were for
- Food and Beverage$123.51 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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