Mark Avon, MD
Urology · San Ramon, CANPI 1689711756
Payments from drug & device makers
Across 194 payments — averaging $19.68 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Antares Pharma, Inc.$441
- Johnson & Johnson$362
- Sumitomo Pharma America, Inc.$324
- Astellas Pharma US Inc$289
- AbbVie$249
- Pfizer$212
- plus $2K from 33 others
What the payments were for
- Food & beverage$3,71697%
- Education$1023%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
General payments by program year
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 |
|---|---|---|
| Antares Pharma, Inc. | 44 | $441 |
| Johnson & Johnson | 13 | $362 |
| Sumitomo Pharma America, Inc. | 16 | $324 |
| Astellas Pharma US Inc | 14 | $289 |
| AbbVie(2 entities) | 11 | $249 |
| Pfizer | 11 | $212 |
| Endo Pharmaceuticals Inc. | 12 | $201 |
| Myriad Genetic Laboratories, Inc. | 7 | $178 |
| 180 Medical, Inc. | 7 | $142 |
| Rochester Medical Corporation | 4 | $113 |
| Boston Scientific | 6 | $113 |
| Laborie Medical Technologies Corp. | 3 | $106 |
| Myovant Sciences Inc. | 4 | $105 |
| Amgen | 3 | $96 |
| Ambu Inc. | 4 | $90 |
| Olympus America Inc. | 3 | $77 |
| Teleflex LLC | 3 | $66 |
| ABC Home Medical Supply, Inc. | 3 | $65 |
| Immunitybio, Inc. | 2 | $63 |
| Procept Biorobotics Corporation | 2 | $55 |
| Bayer | 2 | $53 |
| Kowa Pharmaceuticals America, Inc. | 2 | $44 |
| C. R. Bard, Inc. & Subsidiaries | 2 | $33 |
| Convatec Inc. | 1 | $31 |
| Ferring Pharmaceuticals Inc. | 1 | $29 |
| Blue Earth Diagnostics | 1 | $28 |
| Bluewind Medical | 1 | $27 |
| Coloplast | 1 | $24 |
| Travere Therapeutics, Inc. | 1 | $24 |
| Angiodynamics, Inc. | 1 | $23 |
| LSI Solutions Inc | 1 | $23 |
| AstraZeneca | 1 | $22 |
| SRS Medical Systems, Inc. | 1 | $19 |
| Dentsply IH AB | 1 | $17 |
| GSK | 1 | $17 |
| Dendreon Pharmaceuticals LLC | 1 | $15 |
| Neotract Inc. | 1 | $15 |
| Acerus Pharmaceuticals Corporation | 1 | $14 |
| Metuchen Pharmaceuticals | 1 | $12 |
How this compares
$3,818 in reported general payments places this provider in the 55th percentile of 1,324 urology providers in California.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| Tamsulosin Hcl | 481 | $7,983 |
| Testosterone | 17 | $2,514 |
| Finasteride | 117 | $2,068 |
| Tadalafil | 16 | $886 |
| Oxybutynin Chloride ErOxybutynin Chloride | 18 | $847 |
| Testosterone Cypionate | 18 | $706 |
| Ciprofloxacin Hcl | 109 | $479 |
| Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst | 29 | $450 |
| Doxazosin Mesylate | 13 | $234 |
| Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav | 15 | $67 |
Paid to pharmacies, not to this prescriber.
Other urology in San Ramon
- Edward UchioOrange$21.1M
- Stephen FreedlandWest Hollywood$16.7M
- Alec KooTorrance$7.4M
- Karim ChamieLos Angeles$4.3M
- Ralph ClaymanOrange$3.9M
- Siamak DaneshmandLos Angeles$3.5M
- Arnold ChinLos Angeles$3.5M
- Roger LiLoma Linda$2.3M
- John KowalczykLos Angeles$1.8M
- Arie BelldegrunLos Angeles$1.8M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.