William Aronson
Urology · Los Angeles, CANPI 1639194095
Payments from drug & device makers
$951,215in general payments, 2019–2025
Across 599 payments — averaging $1588.00 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Bayer$300K
- Progenics Pharmaceuticals, Inc.$173K
- Astellas Pharma US Inc$165K
- Johnson & Johnson$86K
- Pfizer$86K
- Dendreon Pharmaceuticals LLC$36K
- plus $105K from 19 others
General payments by program year
19
20
21
22
23
24
25
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Bayer | 152 | $299,798 |
| Progenics Pharmaceuticals, Inc. | 12 | $173,084 |
| Astellas Pharma US Inc | 119 | $165,352 |
| Johnson & Johnson(2 entities) | 115 | $86,143 |
| Pfizer | 73 | $85,872 |
| Dendreon Pharmaceuticals LLC | 34 | $36,154 |
| AstraZeneca | 22 | $31,655 |
| Ferring Pharmaceuticals AS | 10 | $28,803 |
| Ferring International Pharmascience Center US | 2 | $7,490 |
| Sumitomo Pharma America, Inc. | 2 | $6,754 |
| Blue Earth Diagnostics | 7 | $6,212 |
| Astellas Pharma Global Development | 2 | $5,225 |
| Amgen | 4 | $5,039 |
| Myovant Sciences Inc. | 4 | $4,865 |
| Janssen Scientific Affairs, LLC | 11 | $3,345 |
| Ferring Pharmaceuticals Inc. | 7 | $3,046 |
| Tolmar Pharmaceuticals, Inc. | 1 | $1,300 |
| Sanofi | 3 | $316 |
| Boston Scientific | 7 | $226 |
| Procept Biorobotics Corporation | 1 | $205 |
| Astellas Pharma Inc | 1 | $141 |
| AbbVie | 6 | $127 |
| Immunitybio, Inc. | 2 | $30 |
| Photocure Inc | 1 | $19 |
| Exelixis Inc. | 1 | $14 |
How this compares
$951,215 in reported general payments places this provider in the 95th percentile of 1,324 urology providers in California.
Other urology in Los Angeles
- Karim ChamieLos Angeles$4.3M
- Siamak DaneshmandLos Angeles$3.5M
- Arnold ChinLos Angeles$3.5M
- John KowalczykLos Angeles$1.8M
- Arie BelldegrunLos Angeles$1.8M
- Mihir DesaiLos Angeles$1.7M
- Brian ShuchLos Angeles$1.5M
- David JosephsonLos Angeles$1.5M
- Saum GhodoussipourLos Angeles$1.1M
- Stuart HoldenLos Angeles$1.1M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.