Physician profile
John P Berdahl
NPI 1871761577
$1,211,851.67
in general payments reported to CMS, 2019-2025
35 companies · $134K in 2025
The $134K reported for 2025 was more than what 99% of Ophthalmology providers received nationally (typical 2025 total: $384).
Payments by year
General and research payments by program year, as reported to CMS.
General payments by year: 2019: $161K · 2020: $142K · 2021: $232K · 2022: $177K · 2023: $168K · 2024: $198K · 2025: $134K.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Consulting Fee: $308K · Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program: $93K · Royalty Or License: $72K · Long Term Medical Supply Or Device Loan: $16K · Food and Beverage: $7,343 · Travel and Lodging: $4,712 · Honoraria: $25.59.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Consulting Fee | $307,601.00 |
| Compensation For Services Other Than Consulting, Including Serving As Faculty Or As A Speaker At A Venue Other Than A Continuing Education Program | $92,653.13 |
| Royalty Or License | $72,000.00 |
| Long Term Medical Supply Or Device Loan | $16,074.85 |
| Food and Beverage | $7,343.01 |
| Travel and Lodging | $4,712.02 |
| Honoraria | $25.59 |
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. Research payments are listed separately below. Product names cover 2023-2025.
| Company | General payments | Years | Top products |
|---|---|---|---|
| Alcon Vision LLC | $677,205.16 | 2019-2025 | Acrysof Iq Panoptix Uv Iol, Clareon, Acrysof Iq Vivity |
| Alcon Research LLC | $231,488.90 | 2019-2025 | Centurion, Unity, Acrysof Iq Panoptix Uv Iol |
| Glaukos Corporation | $168,750.43 | 2019-2025 | Idose, Epioxa, Idose Tr |
| Rxsight INC | $81,569.78 | 2020-2024 | Rxsight Light Delivery Device (Ldd), Rxsight Contact Lens, Rxsight Injector Cartridge |
| Allergan, INC. | $14,046.13 | 2019-2022 | |
| Abbvie INC. | $6,994.77 | 2021-2025 | Xen Glaucoma Treatment System, Lumigan, Vuity |
| Johnson & Johnson Surgical Vision, INC. | $6,279.58 | 2019-2024 | Tecnis Iol, Compact Intuitiv, Healon Duet Pro |
| Ocular Therapeutix, INC. | $5,634.13 | 2019-2021 | |
| New World Medical,INC. | $3,912.02 | 2019-2022 | |
| Avedro INC. | $3,500.00 | 2019 | |
| Sight Sciences, INC. | $2,943.90 | 2020-2025 | Omni Surgical System, Sion Surgical Instrument |
| Tarsus Pharmaceuticals, INC. | $1,764.12 | 2024-2025 | Xdemvy |
| Aerie Pharmaceuticals, INC. | $1,678.80 | 2019 | |
| Carl Zeiss Meditec, INC. | $1,673.53 | 2019-2024 | Iolmaster 700, Cirrus Hd-Oct |
| Bausch & Lomb Americas INC. | $1,631.79 | 2023-2025 | Xiidra, Ic-8 Apthera Iol |
Show all 32 companies
| Company | General payments | Years | Top products |
|---|---|---|---|
| Harrow Eye, LLC | $1,124.10 | 2023-2024 | Iheezo, Natacyn, Vevye |
| Sun Pharmaceutical Industries INC. | $332.05 | 2021-2024 | Cequa, Xelpros |
| Carl Zeiss Meditec USA, INC. | $321.14 | 2021-2022 | |
| Oyster Point Pharma, INC. | $191.28 | 2022-2024 | Tyrvaya |
| Mallinckrodt Hospital Products INC. | $137.55 | 2021-2025 | Acthar |
| Novartis Pharmaceuticals Corporation | $116.98 | 2020-2023 | |
| Rayner Intraocular Lenses Limited | $110.60 | 2022-2025 | Omidria, Rayone Spheric, Rayone Aspheric |
| Dompe US, INC. | $89.47 | 2019-2025 | Oxervate |
| Biotissue Holdings INC. | $73.16 | 2023-2025 | |
| Amgen INC. | $66.28 | 2024 | Tepezza |
| Horizon Therapeutics Plc | $50.94 | 2023 | Tepezza |
| Tearlab Corp | $40.84 | 2022 | |
| Omeros Corporation | $37.66 | 2019-2020 | |
| Kala Pharmaceuticals, INC. | $35.10 | 2021-2022 | |
| Bausch & Lomb, A Division of Bausch Health US, LLC | $23.25 | 2021 | |
| Lensar, INC. | $15.20 | 2025 | Lensar Laser System |
| Carl Zeiss Meditec Cataract Technology INC. | $13.03 | 2022 |
3 companies reported research payments only; those appear in the research section below.
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.
Research and ownership
$22,702.29 in research payments reported 2019-2025. Research payments are often institution-directed and tied to clinical trials: they are reported under a clinician's name but frequently go to a hospital or research organization, and usually reflect participation in medical research.
$654,990.00 in ownership or investment interests, as reported to CMS. These are holdings a clinician or an immediate family member has in a company, not payments received.
If you want to bring it up
Most clinicians are glad to talk about this. A respectful way in:
- "I saw John Berdahl 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.