William Thieu, M.D., M.S.
NPI 1912273996ActiveIndividual· Urology· Sacramento, CA
Urology (M.D., M.S.) in Sacramento, California, trained at University of California, Davis School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $43,619 for 257 claims, against $26,411 paid for services in 2024.
Overview
| NPI | 1912273996 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.S. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2012 |
| Last updated in NPPES | Nov 19, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 1 | CA |
| Surgery | 208600000X | 1 | 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 - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 152 |
|---|---|
| Services billed | 273 across 32 procedure codes |
| Paid by Medicare | $26,411 |
Part D prescriptions in 2024
| Prescriptions (claims) | 257 · 641 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $43,619 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
Hospital affiliation
- Santa Clara Valley Medical CenterSan Jose, 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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All 51 urologists in Sacramento · All urologists in California