Gregory Barnes
Neurology with Special Qualifications in Child Neurology · Louisville, KYNPI 1962599092
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $10,478 of the $12,020 with a category attached, or 87.2%. Greenwich Biosciences, Inc. accounts for 93.5% of it on its own, with 8 other manufacturers making up the rest. Reporting peaked in 2019 at $10,020 and has fallen 99.2% since, to $80 in 2023. Among neurology with special qualifications in child neurology clinicians in KY 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 58 payments — averaging $207.25 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Greenwich Biosciences, Inc.$11K
- Supernus Pharmaceuticals, Inc.$325
- Biomarin Pharmaceutical Inc.$109
- Eisai Inc.$98
- Sunovion Pharmaceuticals Inc.$88
- UCB, Inc.$70
- plus $93 from 3 others
Across 90 payments — averaging $7038.57 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.
- GW Research Limited$459K
- Jazz Pharmaceuticals Inc.$174K
What the payments were for
- Consulting fees$5004%
- Speaking & faculty fees$10,47887%
- Food & beverage$1,0439%
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 |
|---|---|---|
| Greenwich Biosciences, Inc. | 9 | $11,238 |
| Supernus Pharmaceuticals, Inc. | 30 | $325 |
| Biomarin Pharmaceutical Inc. | 1 | $109 |
| Eisai Inc. | 2 | $98 |
| Sunovion Pharmaceuticals Inc. | 8 | $88 |
| UCB, Inc. | 4 | $70 |
| Livanova USA, Inc. | 2 | $58 |
| Sarepta Therapeutics, Inc. | 1 | $18 |
| PTC Therapeutics, Inc. | 1 | $17 |
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
$12,020 in reported general payments places this provider in the 90th percentile of 33 neurology with special qualifications in child neurology providers in Kentucky.
See all neurology with special qualifications in child neurology providers in Kentucky →
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| EpidiolexCannabidiol (Cbd) | 12 | $109,133 |
| Clobazam | 24 | $747 |
| Zonisamide | 12 | $167 |
| Levetiracetam | 11 | $58 |
| Lamotrigine | 12 | $20 |
Paid to pharmacies, not to this prescriber.
Other neurology with special qualifications in child neurology in Louisville
- Vinay PuriLouisville$195K
- Darren FarberLouisville$2K
- Jaime ShoupLouisville$2K
- Christopher BartonLouisville$846
- Samir KariaLouisville$828
- Rachel EvansLouisville$554
- Elizabeth DollLouisville$375
- Emily SingerLouisville$324
- Amanda RogersLouisville$270
- Marie ClementsLouisville$216
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.