Highest-Volume TURBT — Bladder Tumor Resection Surgeons in California (2026 update)
38 California providers billed Medicare for TURBT — Bladder Tumor Resection (CPT 52235) in 2024. The top 10 by case volume are below — the full ranked list, CSV export and competitor-payment intel are available with a DocVol subscription ($199/mo, cancel anytime).
Database refreshed July 2026Live NPPES registryⓘ sources
| # | Surgeon | Location | Medicare cases (2024) |
|---|---|---|---|
| 1 | Siamak Daneshmand, M.D. | Los Angeles, CA | 46 |
| 2 | Patrick Scarborough, M.D. | Camp Pendleton, CA | 31 |
| 3 | Sima Porten, M.D | San Francisco, CA | 31 |
| 4 | Michael Sanford, MD | Rancho Mirage, CA | 26 |
| 5 | Karim Chamie, M.D. | Los Angeles, CA | 23 |
| 6 | Victoriano Romero, MD | Redding, CA | 21 |
| 7 | Craig Canfield, M.D. | San Luis Obispo, CA | 20 |
| 8 | Patrick Fowler, MD | Redding, CA | 18 |
| 9 | Eugene Shkolyar, MD | Stanford, CA | 17 |
| 10 | Ankeet Shah, MD | Los Angeles, CA | 17 |
28 more California surgeons in the full list
Plus: who already pays them (Stryker? Medtronic? Arthrex?), CSV export for your CRM, and every other state and procedure.
Search the full databaseFrequently asked questions
- How many surgeons perform TURBT — Bladder Tumor Resection in California?
- 38 California providers billed Medicare for TURBT — Bladder Tumor Resection (CPT 52235) in CY2024. CMS suppresses providers with 10 or fewer Medicare patients, so the true count is somewhat higher.
- Where does this data come from?
- CMS Medicare Physician & Other Practitioners (fee-for-service Part B claims, CY2024, released May 2026) and CMS Open Payments. Both are official U.S. federal datasets.
- Does this include all of a surgeon's cases?
- No — it covers traditional Medicare only (no Medicare Advantage, commercial, or Medicaid claims). Absolute volumes undercount total practice, but the ranking of high- vs low-volume surgeons is a strong targeting signal.