Tory Prestera, MD
Ophthalmology · San Marcos, CANPI 1346224557
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 36 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 12 manufacturers reported payments, led by Alcon at 32.7% of the total. That places this record below the midpoint for ophthalmology clinicians in CA, where the typical reported total is $1,218.
Across 36 payments — averaging $25.32 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Alcon$298
- Dompe US, Inc.$165
- Apellis Pharmaceuticals, Inc.$146
- AbbVie$104
- Genentech USA, Inc.$53
- Sun Pharmaceutical Industries Inc.$37
- plus $109 from 6 others
What the payments were for
- Food & beverage$912100%
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 |
|---|---|---|
| Alcon | 12 | $298 |
| Dompe US, Inc. | 6 | $165 |
| Apellis Pharmaceuticals, Inc. | 3 | $146 |
| AbbVie | 5 | $104 |
| Genentech USA, Inc. | 2 | $53 |
| Sun Pharmaceutical Industries Inc. | 2 | $37 |
| Aerie Pharmaceuticals, Inc. | 1 | $23 |
| Johnson & Johnson Surgical Vision, Inc. | 1 | $22 |
| Regeneron Healthcare Solutions, Inc. | 1 | $22 |
| Ocular Therapeutix, Inc. | 1 | $15 |
| Iridex Corporation | 1 | $14 |
| Beaver-visitec International, Inc. | 1 | $13 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
- Syfovre$101
How this compares
$912 in reported general payments places this provider in the 40th percentile of 2,513 ophthalmology 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 |
|---|---|---|
| Prednisolone Acetate | 336 | $15,145 |
| Latanoprost | 465 | $5,376 |
| Loteprednol Etabonate | 22 | $4,414 |
| MoxifloxacinMoxifloxacin Hcl | 199 | $4,230 |
| Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat | 149 | $2,870 |
| Diclofenac Sodium | 292 | $2,576 |
| Bromfenac Sodium | 11 | $1,920 |
| Timolol Maleate | 80 | $1,379 |
| Doxycycline Monohydrate | 37 | $965 |
| Brimonidine Tartrate | 61 | $908 |
| Ketorolac Tromethamine | 38 | $751 |
| Neomycin-Polymyxin-DexamethNeomycin/Polymyxin B/Dexametha | 51 | $670 |
| ErythromycinErythromycin Base | 15 | $190 |
Paid to pharmacies, not to this prescriber.
Other ophthalmology in San Marcos
- Daniel SchwartzSan Francisco$8M
- Michael BerlinWest Hollywood$5.7M
- Gilbert KlimanMenlo Park$1.5M
- Kuldev SinghStanford$1.5M
- Raymond DouglasBeverly Hills$1.3M
- John AffeldtLoma Linda$1.1M
- Srinivas SaddaPasadena$1M
- Sheri RowenNewport Beach$1M
- Savak TeymoorianLaguna Hills$955K
- Andrew MoshfeghiLos Angeles$895K
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.