Physician profile
Mark David Zahn
NPI 1598784837
$1,524.92
in general payments reported to CMS, 2019-2025
7 companies · $144 in 2025
The $144 reported for 2025 was more than what a typical Periodontics provider received nationally (typical 2025 total: $111).
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2019: $164 · 2020: $181 · 2021: $412 · 2022: $44.23 · 2023: $78.91 · 2024: $501 · 2025: $144.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Gift: $620 · Food and Beverage: $104.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Gift | $619.60 |
| Food and Beverage | $103.98 |
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 |
|---|---|---|---|
| Straumann USA LLC | $979.71 | 2019-2024 | |
| Salvin Dental Specialties, INC. | $243.55 | 2019-2021 | |
| Ultradent Products INC | $175.48 | 2024-2025 | Opalescence |
| Biohorizons Implant Systems INC. | $88.40 | 2019-2023 | Biohorizons, Mineross Xp, Mineross X |
| Philips North America LLC | $15.59 | 2025 | Other Pet |
| Zimmer Biomet Holdings, INC. | $12.19 | 2019 | |
| Dash Medical Gloves LLC | $10.00 | 2022 |
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 Mark Zahn 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.