Charles Greenfield
Neurology · Dallas, TXNPI 1477528305
Payments from drug & device makers
Across 214 payments — averaging $1659.85 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Eli Lilly$218K
- Genentech, Inc.$129K
- Merck$3K
- Novartis$2K
- AbbVie$661
- Sunovion Pharmaceuticals Inc.$418
- plus $3K from 33 others
What the payments were for
- Speaking & faculty fees$201%
- Food & beverage$3,44299%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Eli Lilly | 6 | $217,911 |
| Genentech, Inc. | 8 | $129,322 |
| Merck | 1 | $2,500 |
| Novartis | 14 | $1,889 |
| AbbVie(2 entities) | 35 | $661 |
| Sunovion Pharmaceuticals Inc. | 24 | $418 |
| Mallinckrodt Enterprises LLC | 5 | $387 |
| EMD Serono, Inc. | 18 | $296 |
| Genentech USA, Inc. | 18 | $277 |
| UCB, Inc. | 13 | $226 |
| Sanofi | 12 | $219 |
| Amgen | 5 | $124 |
| Biogen | 6 | $103 |
| Jazz Pharmaceuticals Inc. | 1 | $96 |
| AstraZeneca | 5 | $92 |
| SK Life Science, Inc. | 6 | $90 |
| Grifols USA, LLC | 4 | $75 |
| Upsher-smith Laboratories LLC | 4 | $74 |
| Merz North America, Inc. | 1 | $42 |
| Kyowa Kirin, Inc. | 2 | $37 |
| Amneal Pharmaceuticals LLC | 2 | $37 |
| Avanir Pharmaceuticals, Inc. | 2 | $34 |
| Tanabe Pharma America, Inc. | 2 | $29 |
| Pfizer | 2 | $29 |
| Lilly USA, LLC | 2 | $27 |
| Adamas Pharmaceuticals, Inc. | 1 | $22 |
| Acorda Therapeutics, Inc | 1 | $20 |
| Johnson & Johnson | 2 | $20 |
| CSL Behring | 1 | $19 |
| Philips North America LLC | 1 | $18 |
| Alnylam Pharmaceuticals Inc. | 1 | $18 |
| Assertio Therapeutics, Inc. | 1 | $17 |
| GE HealthCare | 1 | $15 |
| Greenwich Biosciences, Inc. | 1 | $14 |
| Biohaven Pharmaceuticals, Inc. | 1 | $14 |
| Neurocrine Biosciences, Inc. | 1 | $13 |
| Harmony Biosciences LLC | 1 | $13 |
| E.r. Squibb & Sons, L.L.C. | 1 | $13 |
| Neurology Practice Consortium GPO, LLC | 2 | $0 |
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.
- Duopa$104
How this compares
$355,209 in reported general payments places this provider in the 90th percentile of 1,246 neurology providers in Texas.
Other neurology in Dallas
- Susan IannacconeDallas$5.1M
- Benjamin GreenbergDallas$4.6M
- Duc TranDallas$4.5M
- Adnan SubeiDallas$3.1M
- Gincy SamuelDallas$2.4M
- Olaf StuveDallas$2.4M
- Nirav PavasiaDallas$2M
- Waleed El-FekyDallas$1.8M
- Steven VerninoDallas$1.6M
- Steven HerzogDallas$1.4M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.