David de Witt
Orthopaedic Surgery of the Spine · Appleton, WINPI 1265424485
Payments from drug & device makers
What this record shows
This record is dominated by royalties or licence payments: $6,388,970 of the $8,946,381 with a category attached, or 71.4%. Medtronic accounts for 99.2% of it on its own, with 9 other manufacturers making up the rest. Reporting peaked in 2019 at $5,708,007 and has fallen 97.5% since, to $144,159 in 2025.
Across 119 payments — averaging $75,180 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Medtronic$8.9M
- Titan Spine, LLC$58K
- Zimmer Biomet$14K
- Innovasis Inc$133
- Vertiflex, Inc.$99
- Globus Medical$76
- plus $130 from 4 others
Across 2 payments — averaging $31,800 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Medtronic$64K
What the payments were for
- Royalty or licence$6,388,97071%
- Consulting fees$28,0500%
- Speaking & faculty fees$4,3200%
- Travel & lodging$3,1590%
- Food & beverage$2,3430%
- Other$2,519,53928%
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 |
|---|---|---|
| Medtronic(2 entities) | 77 | $8,873,172 |
| Titan Spine, LLC | 5 | $58,433 |
| Zimmer Biomet | 30 | $14,336 |
| Innovasis Inc | 1 | $133 |
| Vertiflex, Inc. | 1 | $99 |
| Globus Medical | 1 | $76 |
| Relievant Medsystems, Inc. | 1 | $47 |
| Carlsmed, Inc. | 1 | $41 |
| Alphatec Spine, Inc | 1 | $29 |
| Augmedics Inc. | 1 | $13 |
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.
- nanoLOCK-C$1,474,234
- nanoLOCK-L$1,183,754
- ANTERALIGN SPINAL SYSTEM WITH TITAN NANOLOCK SURFACE TECHNOLOGY$59,394
- nanoLOCK$58,433
- Endoskeleton$48,755
- Walter$12,285
- ENDOSKELETON TL NANOLOCK SURFACE TECHNOLOGY$5,130
- Timberline$3,780
- Maxan Cervical System$3,300
- Mobi-C$3,300
- PD-Spine-New Product$1,050
- O-ARM$543
- MAZOR X SYSTEM$117
- StealthStation$110
- Spine Product Portfolio$107
How this compares
Too few orthopaedic surgery of the spine providers in Wisconsinto place this figure against a meaningful peer group, so we don't.
Other orthopaedic surgery of the spine in Appleton
- Seth WilliamsMadison$950K
- Clay FrankKenosha$652K
- Jason SansoneMadison$262K
- Michael DidinskyKenosha$157K
- Eric BelinGrafton$41K
- Jason PotockiStevens Point$3K
- Todd FairchildStevens Point$2K
- Mustafa KhanMilwaukee$364
- Lawrence MaciolekGlendale$86
- Branko PrpaMt Pleasant$74
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.