Karl Sillay, MD
Neurological Surgery · Nashville, TNNPI 1184734030
Payments from drug & device makers
What this record shows
Globus Medical accounts for 81.1% of it on its own, with 5 other manufacturers making up the rest. Reporting peaked in 2023 at $467 and has fallen 93.5% since, to $30 in 2025. That places this record below the midpoint for neurological surgery clinicians in TN, where the typical reported total is $3,083.
Across 18 payments — averaging $78.05 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Globus Medical$1K
- Medtronic$176
- Baxter Healthcare$27
- Insightec,inc$24
- Orthofix Medical, Inc.$23
- Abiomed$16
What the payments were for
- Travel & lodging$74053%
- Food & beverage$66447%
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 |
|---|---|---|
| Globus Medical | 12 | $1,139 |
| Medtronic | 2 | $176 |
| Baxter Healthcare | 1 | $27 |
| Insightec,inc | 1 | $24 |
| Orthofix Medical, Inc. | 1 | $23 |
| Abiomed | 1 | $16 |
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.
How this compares
$1,405 in reported general payments places this provider in the 40th percentile of 156 neurological surgery providers in Tennessee.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Other neurological surgery in Nashville
- Brian OshaughnessyNashville$2.1M
- Chine LoganNashville$309K
- Scott ParkerNashville$255K
- Arthur UlmNashville$203K
- Gregory LanfordNashville$175K
- William SchooleyNashville$105K
- Khan LiNashville$101K
- Ernest WrightNashville$63K
- Dario EnglotNashville$47K
- Chadd FunkNashville$38K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.