Robert Lark
Orthopaedic Surgery · Durham, NCNPI 1235397472
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $155,811 of the $197,194 with a category attached, or 79.0%. 17 manufacturers reported payments, led by Medical Device Business Services, Inc. at 35.4% of the total. Reporting peaked in 2024 at $43,277 and has fallen 78.7% since, to $9,224 in 2025. Among orthopaedic surgery clinicians in NC with any reported payments, this total sits in the top 10% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 231 payments — averaging $853.65 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Medical Device Business Services, Inc.$70K
- Alphatec Spine, Inc$55K
- Globus Medical$46K
- Bioventus LLC$9K
- Nuvasive Specialized Orthopedics, Inc.$9K
- Trackx Technology, Inc.$4K
- plus $4K from 11 others
What the payments were for
- Consulting fees$155,81179%
- Speaking & faculty fees$7,8134%
- Travel & lodging$23,13212%
- Food & beverage$9,8825%
- Education$5100%
- Entertainment$460%
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 |
|---|---|---|
| Medical Device Business Services, Inc. | 51 | $69,865 |
| Alphatec Spine, Inc | 39 | $55,305 |
| Globus Medical(2 entities) | 74 | $45,612 |
| Bioventus LLC | 12 | $9,216 |
| Nuvasive Specialized Orthopedics, Inc. | 8 | $8,928 |
| Trackx Technology, Inc. | 3 | $4,102 |
| Orthofix Medical, Inc. | 9 | $1,176 |
| Biedermann Motech, Inc. | 4 | $680 |
| Johnson & Johnson(2 entities) | 11 | $679 |
| Smith+Nephew | 6 | $314 |
| Highridge Medical LLC | 2 | $286 |
| Orthopediatrics Corp. | 4 | $256 |
| Zimmer Biomet | 2 | $212 |
| Henry Schein, Inc. | 1 | $153 |
| Medtronic(2 entities) | 3 | $149 |
| Zimvie Inc. | 1 | $146 |
| Stryker | 1 | $114 |
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.
- EXPEDIUM$69,202
- SYNAPSE$64,957
- Other - Miscellaneous$44,780
- SafeOp$17,000
- TLIF$11,342
- RELINE$8,634
- Invictus MIS$8,000
- BONESCALPEL & SONICONE (O.R.)$4,815
- TrackX$4,000
- BoneScalpel$3,320
- MAGEC$1,899
- INVICTUS OPEN$1,748
- REFLECT/REFLECT HDE$724
- XLIF$698
- NEXUS-10 MKII$625
- PRECICE$542
- The Tether$506
- Mariner Deformity$355
- MOSS VRS Spinal System$326
- Orthopediatric Implants$207
How this compares
$197,194 in reported general payments places this provider in the 90th percentile of 845 orthopaedic surgery providers in North Carolina.
Other orthopaedic surgery in Durham
- William JiranekDurham$6.4M
- Thomas VailDurham$5.7M
- Mark EasleyDurham$4M
- Michael BolognesiDurham$2.3M
- Christopher BrownDurham$2.3M
- Samuel AdamsDurham$1.8M
- James NunleyDurham$1.6M
- James DeorioDurham$1.3M
- Richard MatherDurham$711K
- Marc RichardDurham$643K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.