Andy Chau, M.D.
NPI 1174900104ActiveIndividual· Hospitalist· Santa Clara, CA
Hospitalist (M.D.) in Santa Clara, California, trained at Medical College of Wisconsin (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $18,422 for 267 claims, against $3,464 paid for services in 2024.
Overview
| NPI | 1174900104 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 28, 2015 |
| Last updated in NPPES | Dec 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A145343 | 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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 22 |
|---|---|
| Services billed | 40 across 9 procedure codes |
| Paid by Medicare | $3,464 |
Part D prescriptions in 2024
| Prescriptions (claims) | 267 · 424 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $18,422 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Hospitalist |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital-Santa ClaraSanta Clara, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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