Sander Dorfzaun
Optometrist · Marietta, GANPI 1699804120
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $7,830 of the $10,045 with a category attached, or 78.0%. Visioneering Technologies, Inc. accounts for 78.1% of it on its own, with 19 other manufacturers making up the rest. Reporting peaked in 2021 at $8,031 and has fallen 93.8% since, to $495 in 2025. Among optometrist clinicians in GA with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 81 payments — averaging $124.01 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Visioneering Technologies, Inc.$8K
- Alcon$311
- Bausch & Lomb, A Division Of Bausch Health US, LLC$299
- Bausch & Lomb Americas Inc.$248
- Sun Pharmaceutical Industries Inc.$232
- Tarsus Pharmaceuticals, Inc.$170
- plus $936 from 14 others
What the payments were for
- Speaking & faculty fees$7,83078%
- Food & beverage$2,20822%
- Entertainment$70%
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 |
|---|---|---|
| Visioneering Technologies, Inc. | 4 | $7,848 |
| Alcon | 16 | $311 |
| Bausch & Lomb, A Division Of Bausch Health US, LLC | 6 | $299 |
| Bausch & Lomb Americas Inc. | 7 | $248 |
| Sun Pharmaceutical Industries Inc. | 3 | $232 |
| Tarsus Pharmaceuticals, Inc. | 9 | $170 |
| Coopervision Inc. | 8 | $157 |
| Johnson & Johnson Vision Care, Inc. | 7 | $156 |
| Dompe US, Inc. | 1 | $111 |
| Glaukos Corporation | 3 | $105 |
| AbbVie(2 entities) | 4 | $100 |
| Oyster Point Pharma, Inc. | 3 | $65 |
| Akorn Operating Company LLC | 3 | $60 |
| Akorn, Inc. | 1 | $53 |
| Carl Zeiss Meditec, Inc. | 1 | $40 |
| Thea Pharma Inc. | 1 | $24 |
| ABB Con-cise Optical Group LLC | 1 | $24 |
| Carl Zeiss Meditec USA, Inc. | 1 | $20 |
| Eyevance Pharmaceuticals LLC | 1 | $14 |
| Optos, Inc. | 1 | $7 |
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.
How this compares
$10,045 in reported general payments places this provider in the 95th percentile of 1,285 optometrist providers in Georgia.
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 |
|---|---|---|
| RestasisCyclosporine | 13 | $15,623 |
| XiidraLifitegrast | 13 | $10,314 |
| Latanoprost | 118 | $1,044 |
| Timolol Maleate | 51 | $368 |
| Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat | 25 | $301 |
| Brimonidine Tartrate | 34 | $193 |
| Cephalexin | 16 | $81 |
| Dorzolamide Hcl | 20 | $38 |
Paid to pharmacies, not to this prescriber.
Companies that both paid and supply prescribed drugs
These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.
| Company | Paid to this provider | Part D cost of their drugs |
|---|---|---|
| AbbVieRestasis | $100 | $15,62313 claims |
| Bausch & Lomb Americas Inc.Xiidra | $248 | $10,31413 claims |
Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 95th percentile of 1,285 optometrist providers in Georgia.
Other optometrist in Marietta
- Aaron RahnMarietta$29K
- Jinen ShahMarietta$10K
- Ivo HorakMarietta$8K
- Kiran BandaliMarietta$8K
- Joshua JohnstonAtlanta$993K
- John WomackCanton$931K
- Naheed AhmadRoswell$296K
- Scott MoscowRoswell$278K
- Stephen SummerowPerry$222K
- Janelle DavisonSmyrna$199K
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.