GlassScriptPhysician profile
Derek Lloyd Barker
NPI 1982662847
$1,736.27
in general payments reported to CMS, 2019-2025
20 companies · $107 in 2025
The $107 reported for 2025 was less than what a typical Retina Specialist provider received nationally (typical 2025 total: $460).
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2019: $310 · 2020: $189 · 2021: $275 · 2022: $433 · 2023: $234 · 2024: $188 · 2025: $107.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Food and Beverage: $529.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Food and Beverage | $528.92 |
Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.
Who reported paying
General payments only, as reported to CMS. Product names cover 2023-2025.
| Company | General payments | Years | Top products |
|---|---|---|---|
| Genentech USA, INC. | $393.82 | 2019-2025 | Vabysmo |
| Regeneron Healthcare Solutions, INC. | $296.44 | 2019-2025 | Eylea, Eylea Hd |
| Alimera Sciences, INC. | $248.74 | 2019-2023 | Iluvien |
| Abbvie INC. | $174.59 | 2022-2025 | Ozurdex |
| Allergan, INC. | $151.91 | 2019-2022 | |
| Eyepoint US, INC. | $109.55 | 2020-2023 | |
| Alcon Vision LLC | $79.16 | 2022 | |
| Coherus Oncology, INC. | $40.56 | 2023 | |
| Dutch Ophthalmic, USA | $33.04 | 2024 | Tissueblue, Eva, Combined Machine |
| Sandoz INC. | $31.74 | 2024 | Cimerli |
| Carl Zeiss Meditec USA, INC. | $30.57 | 2023 | Clarus |
| Johnson & Johnson Surgical Vision, INC. | $22.07 | 2019 | |
| Rayner Intraocular Lenses Limited | $19.93 | 2023 | Rayone Spheric, Omidria, Rayone Aspheric |
| Glaxosmithkline, LLC. | $19.63 | 2022 | |
| Omeros Corporation | $18.60 | 2019 |
Show all 20 companies
| Company | General payments | Years | Top products |
|---|---|---|---|
| Biogen, INC. | $14.15 | 2022 | |
| Ani Pharmaceuticals, INC. | $13.78 | 2025 | Iluvien |
| Bausch & Lomb Americas INC. | $13.68 | 2022 | |
| Aerie Pharmaceuticals, INC. | $13.22 | 2019 | |
| Novartis Pharmaceuticals Corporation | $11.09 | 2020 |
Drugs and devices associated with these payments
CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.
If you want to bring it up
Most clinicians are glad to talk about this. A respectful way in:
- "I saw Derek Barker listed in the CMS Open Payments database. Can you tell me about your work with those companies?"
- "Is there a generic or alternative to this medication, and would it work as well for me?"
- "What made you choose this particular treatment for my situation?"
These are normal questions. A good clinician will welcome them.
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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.