Physician profile
Karen Diefenbach
NPI 1164658258
$14,976.74
in general payments reported to CMS, 2019-2025
4 companies · $15K in 2025
The $15K reported for 2025 was more than what 97% of Pediatric Surgery providers received nationally (typical 2025 total: $136).
Payments by year
General payments by program year, as reported to CMS.
General payments by year: 2023: $160 · 2025: $15K.
What the payments were for
Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.
Consulting Fee: $13K · Travel and Lodging: $1,467 · Food and Beverage: $409.
View as a table
| Payment type | Amount (2023-2025) |
|---|---|
| Consulting Fee | $13,100.00 |
| Travel and Lodging | $1,467.48 |
| Food and Beverage | $409.26 |
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 |
|---|---|---|---|
| Asensus Surgical, INC. | $9,112.21 | 2023-2025 | Senhance |
| Hologic Sales and Service, LLC | $5,320.04 | 2023-2025 | Coolseal Generator |
| Cytyc Surgical Products, LLC | $477.97 | 2025 | Coolseal Generator |
| Karl Storz Endoscopy-America | $66.52 | 2025 | Hopkins |
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 Karen Diefenbach 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.